• Bullet Speed increases the distance projectiles fly, i.e. bullet range.
  
• Unlocking the level 20 weapon perks allows you to select a second level 10 perk. Unlocking level 30 allows you to select a level 10 or level 20 perk, respectively.
  
• The in-game timer does not show hours. After an hour it will show "00" instead of "60".
  
• Enemies scale in HP and speed, not in numbers.
  
• Bosses spawn at deterministic points in time (rougly after 6, 13, and 20 minutes).
  
• Enemies spawn on diagonals through the player's position.

Bullet Damage 10
Fire Rate 0,4s
Bullet Size 5
Bullet Speed 50


Enemies hit by a Bullet are slowed down by 50% for a seconds.

Bullet Damage +50%

Fire Rate +35%


Enemies hit by a bullet are permanently illuminated with a Vision Circle.

Every 3rd shot will have 3x Bullet Speed and deal 2x Bullet Damage.

Every 5 seconds, Fire Rate, Bullet Size, and Bullet Speed are increased by 50% for 3 seconds.


Enemies revealed in Cone Vision will be frozen after a second.

Bullet Damage is temporarily increased by 2% for each shot landed on a enemy.

Resets when a shot is missed.

Bullet Damage 8
Fire Rate 0,7s
Bullet Size 10
Bullet Speed 48

• Fires 4 bullets a short range

Bullet Spread reduced by 50%.

Bullet Speed +60%

Bullet Damage +50%

Fire Rate + 35%


Bullets spawn far-reaching Vision Trails that last for a second.

Enemies right next to you take 200% more damage.

Every shot fires an extra burst of bullets.

Bullet Damage -60%


Shooting enemies that are on Fire decreases their Fire Cooldown by 20%.

Fire Damage +50%
Bullet Speed +100%

Shoot 2 fewer bullets.

Bullet Damage +200%
Bullet Speed +100%
Bullet Size +50%

Fire 4 more bullets.

Bullet Damage -50%
Bullet Speed +100%
Bullet Size -30%

Bullet Damage 20
Fire Rate 1s
Bullet Size 9
Bullet Speed 80

• Bullets Pierce through multiple enemies

Bulelts deal 100% more damage for each enemy pierced.

Bullet Size +50%

Bullet Damage +50%

Fire Rate +35%


Enemies are still visible for 3 seconds after spawning.

Bullets will create 2 extra bullets with half the damage and size when hitting an enemy.

Fire Rate -30%

Piercing 3 enemies with a bullet will instantly refresh Shoot Cooldown (Doesn't apply to bosses).


Shooting 2 enemies with a single bullet triggers Radiation.

Radiation Damage +50%

Bullet Damage +75%
Bullet Size +150%

Fire Rate and Bullet Speed are doubled when standing still.

Melee Damage 8
Fire Rate 0,3s
Melee Size 52
Melee Range 52


Melee Width +75%
Melee Range +75%

Melee Damage +50%

Fire Rate +35%


Melee Damage has a 10% chance to Freeze enemies for a second.

Melee Damage increased by 80% if hitting with the tip of the slice.

Melee Damage will cause enemies to take 10% more damage.


Melee Damage has 100% to inclict Bleed.

Bleed Damage +50%

Melee Damage +75%
Melee Width +50%
Melee Range +50%

Movement Speed decreased by 25% when firing.

Fire Rate +100%
Melee Range +50%

Melee Damage 6
Fire Rate 0,6s
Melee Width 42
Melee Range 73

• Fires a burst of 2 melee slashes at once

Melee Damage, Melee Width, and Melee Range of subsequent katana slashes in the burst are increased by 75%.

Melee Damage +50%

FIre Rate +35%


For every 4 enemies revealed in Vision, gain an extra projectile.

Striking an enemy 3 times will damage them again by the combined damage of the slashes.

Fire a burst of 3 slashes at once.

Bullet Damage -30%


Damaging an enemy 2 times trigers Outflow.

Outflow Damage +50%
Blood Lust Size +50%

Fire 1 fewer slash in the burst.

Melee Damage +200%
Melee Width +100%
Melee Range +100%

Upgrades that increase projectile count are doubled.

Melee Damage 15
Fire Rate 1,2s
Melee Width 104
Melee Range 104


Damage 5 enemies with one slash to freeze them all for a second.

Melee Damage +50%

Fire Rate +35%


For each enemy revealed in Vision, gain a temporary 5% boost to Melee Damage, Melee Range, and Melee Width (Stacks up to +100%).

Wait 2 seconds before swinging to increase Melee Damage, Melee Width, and Melee Range of your next slash by 100%.

Kill 4 enemies with a single slash to instantly refresh Shoot Cooldown.


Increase the damage of all Shrapnel projectiles by 150%.

Killing an enemy temporarily increases Melee Damage by 5% (Stacks up to +200%).

Resets after a slash misses.

Killing an enemy temporarily increases Fire Rate by 10% (Stacks up to +100%).

Resets after 2 seconds without killing.

Bullet Damage 8
Fire Rate 1s
Bullet Size 10
Bullet Speed 25

• Fires a Piercing projectile that flies back toward you after a second

Bullet Size +100%

Bullet Damage +50%

Fire Rate +35%


Scythes emit a Vision Circle

Scythes increase in damage by 40% every half second they're flying through the air.

Hit an enemy twice with the same scythe to create 2 extra scythes with half the damage and size (Doesn't apply to bosses).


Hit an enemy twice with the same scythe to freeze them for a second (Doesn't apply to bosses).

Bullet Speed +50%

Scyythes increase in damage by 150% and size by 20% for each enemy hit (Size increase stacks up to +100%).

Fire Rate increased by 75% if 15 or more scythes are on screen.

Bullet Damage 10
Fire Rate 0,6s
Bullet Size 5
Bullet Speed 250

• Fires a very small, fast Piercing bullet

Hit 3 or more enemies with a single bullet to permanently illuminate them with a Vision Circle.

Bullet Damage +50%

Fire Rate +35%


Shooting an enemy will freeze them for 3 seconds, but damaging frozen enemies unfreezes them.

Shooting enemies increases the damage of your next shot by 30% for each enemy hit.

Every 5 seconds, shoot a bullet which will temporarily increase Fire Rate by 10% for each enemy it hits, lasting 3 seconds.


Enemies killed by bullets will trigger Explosive Lightning, damaging neabry enemies.

Shock Damage +100%

Gain a laser sight wicht causes enemies in its path to take 100% more damage.

Fire Rate decreased by 75% for a second if you miss a shot.

Fire Rate +75%

Bullet Damage 10
Fire Rate 0,9s
Bullet Size 6
Bullet Speed 70

• Fires a burst of 3 bullets at once

Hit 2 shots of a burst on an enemy to permanently illuminate them with a Vision Circle

Bullet Damage +50%

Fire Rate +35%


Shoot an extra round in the burst if 5 or more enemies are revealed in Vision.

Hit 3 shots of a burst on an enemy to increase damage of your next burst by 100%.

Damaging an enemy has a 25% chance to damage them twice.


Hit 3 shots of a burst on an enemy to freeze them for a second.

Shooting an enemy causes them to take 100% more damage from subsequent bullets.

Fire a burst of 4 bullets.

Bullet Damage 5
Fire Rate 0,15s
Bullet Size 4
Bullet Speed 100


Bullets have a 25% chance to create a temporary Vision Circle that last for 3 seconds.

Bullet Damage +50%

Fire Rate +35%


Shooting an enemy 4 times permanently slows them down by 50%.

Damaging enemies increases the damage they take from bullets by 10%.

Shooting takes half a second to wind up, Movement Speed while shooting decreased by 20%.

Fire Rate +50%


Blaze activates every 3 shots.

Blaze Damage +100%

Bullet Damage and Bullet Size increased by 100% when standing still.

Every second while you're shooting, Fire Rate increases by 10% but Movement Speed decreases by 10% (Stacks up to Fire Rate +100%).

15% chance when damaging enemies to inflict Bleed, dealing 5 damage.

25% chance to inclict Bleed
Bleed Damage +5

40% chance to inclict Bleed
Bleed Damage +5

60% chance to inflict Bleed
Bleed Damage +5

Damaging an enemy 3 times inflicts Outflow, dealing 15 damage.

Outlfow deals 20 damage.

Enemies killed by Outflwo will spill blood on the floor, damaging enemies that walk over it.

Outlfow deals 25 damage.

Bullet Damge +20%

Bullet Damage +30%
Bullet Size +30%
Bullet Speed +10%

Bullet Damage +40%
Bullet Speed +20%
Fire Rate -5%

Bullet Damage +60%
Bullet Speed +60%
Bullet SIze +40%
Fire Rate -10%

Projectiles will Pierce through 1 enemy.

Bullet SIze +10%
Bullet Speed +10%

Projectile will Pierce through 3 enemies, dealing 50% more damage for each enemy pierced.

Bullet Size +20%
Bullet Speed +20%

Projectiles will Pierce through Infinite enemies, dealing 100% more damage for each enemy pierced.

Bullet Size +30%
Bullet Speed +30%

Damaging enemies has a 20% chance to inflict Fire, dealing 10 damage every 3 seconds.

50% chance when damaging enemies to inflict Fire.

Fire Damage +30%
Fire Cooldown -30%

Every 3rd enemy killed on Fire will explode into 3 flames that inflict Fire.

Fire Damage +30%
Fire Cooldown -50%

Damaging enemes has a 100% chance to inflict Fire for 2 seconds after killing an enemy on Fire.

Fire Damage +40%
Fire Cooldown -70%

On every 5th shot, shoot a flame that deals 20 damage and inclicts Fire.

Fire Rate is temporarily increased by 20% for 3 seconds after killing an enemy with Blaze.

Blaze Damage +50%
Blaze Range +50%

Killing 3 or more enemies with Blaze damages all enemies nearby.

Blaze Damage +50%
Blaze Range +50%

Enemies outside of any Vision move 25% slower.

Enemies outside of any Vision move 50% slower, but enemies revealed in Vision move 10% faster.

Fire Rate +25%
Bullet Damage + 25%
Circle Vision SIze -20%
Cone Vision Size -20%

EXP Pickup Range +500%
Fire Rate +40%
Bullet Damage +40%
Circle Vision SIze -35%
Cone Vision Size -35%

Enemies revealed in Vision take 20% more damage.

Enemies revealed in Vision take 50% more damage.

All enemies take 5% more damage for each enemy revealed in Vision.

Damaging enemies inflicts Shock, increasing their next damage taken by 20%.

Shock Damage dealt to an enemy will damage all other enemies inflicted by Shock.

Shock Damage +30%

EXP from enemies killed by Shock Damage will float towards you.

Shock Damage is increased by 5% for each additional enemy inflicted by Shock.

Shock Damage +50%

Killing 3 enemies will charge your next shot to fire a Lighning Bolt, dealing damage equal to 50% Bullet Damage.

Enemies killed by Lightning Bolt will explode, dealing damage to nearby enemies.

Lighning Bolt Damage +25%
Fire Rate -10%

Shoot 2 additional Lightning Bolts.

Lightning Bolt Damage +50%
Fire Rate -20%

Every 5 shoots, fire a Flashbang which explodes into a large temporary Vision Circle that lasts 6 seconds.

Enemies revealed by Flashbang will take 30% more damage.

Flashbang will Freeze nearby enemies for a second.

On impact, Flashbangs will split into 2 more flashbangs.

Fire 5 Flashbangs at a time.

Fire a Flashbang every 8 shots.
Movement Speed -15%

Enemies are slowed down by 20% for 2 seconds after being revealed in Vision.

Enemies are slowed down by 30% for 4 seconds after being revealed in Vision.

Every 5th enemy killed explodes into 3 temporary VIsion Rays.

Circle Vision Size +20%
Movement Speed +5%

Circle Vision Size +25%
Movement Speed +10%

Every 5 seconds, emit a thin wave of light that reveals everything for an instant.

Circle Vision Size +10%

Circle Vision Size +40%
Max Health -1

Circle Vision slows down enemies by 20%

Movement Speed -10%

Movement Speed +20% while Circle Vision is active.

Circle Light will Freeze enemies every 3 seconds.

Every 5 seconds, your next shot will fire a Missile which deals 20 damage to enemies caught in its explosion.

Missiles emit a Vision Circle.

Missile Explosion Size +50%

Kill 3 enemies with a Missile's initial blast to instantly recharge another for your next shot.

Fire a Missile every 3 seconds.

After firing a Missile, it is only manually exploded when you shoot again.

Any upgrades that increase Bullet Damage also apply to Missile Damage.

Missile Damage +50%

Enemies killed by a Missile will erupt into an explosion of half the size.

Missiles explode into 9 Phosphorus Trails, damaging enemies by 50% Missile Damage and lighting them on Fire.

Every 5 kills, fire a Plasma Charge on your next shot that deals 15 damage every second to nearby enemies revealed in light.

Plasma Charge despawns after 8 seconds.

Every enemy killed by a Plasma Charge will increase its damage, cooldown, and range by 10%

Plasma Damage +20%
Plasma Damage Cooldown +30%

A Plasma Charge will explode when it despawns, damaing nearby enemies.

Plasma Damage +30%
Plasma Damage Cooldown +40%

Every other enemy killed by Plasma Charge will spawn another smaller Plasma Charge that deals half damage.

Plasma Damage +50%
Plasma Damage Cooldown +50%

Every 5 seconds, spawn a Plasma Coil which deals damage equal to Bullet Damage every half second to nearby enemies revealed in light.

Plasma Coil despawns after 5 seconds.

Killing enemies with Plasma Damage increases Plasma Coil range and duration by a second.

Plasma Coil Range +25%

Killing 5 enemies with Plasma Damage will fire a Plasma Beam on your next shot, damaging enemies revealed in Vision by damage equal to 300% Bullet Damage.

Fire Rate +20%

Bullet Speed +30%
Fire Rate +15%

Killing enemies temporarily increases Fire Rate by 5% (Stacks up to +50%). Resets after 3 seconds without killing.

Bullet Speed +20%
Bullet Damage -20%

Fire projectiles faster at the cost of accuracy and damage.

Fire Rate +50%
Bullet Damage -20%

Shoot an additional projectile.

Bullet Damage -30%

Shoot another additional projectile.

Bullet Damage -40%

Every 3rd shot, shoot a spiral of 9 smaller projectiles.

On every 6th shot, damage all enemies revealed in Vision by 50% Bullet Damage.

Radiation Damage increased by 10% for each enemy revealed in VIsion.

Radiation Damage +20%

Enemies killed by Radiation will explode, damaging nearby enemies.

Radiation takes 1 more shot to activate.
Radiation Damage +30%

Radiation is instantly recharged on the next shot if 5 or more enemies are killed at once.

Radiation Damage +50%

Radiation takes 1 less shot to activate.

Radiation takes 2 less shot to activate.

Radiation Damage -20%
Fire Rate +20%

Damaging enemies will spawn a temporary Vision Circle that lasts a second.

Radiation Damage -30%

Killing 200 enemies activates Shield Barrier, making you immune from taking damage once.

When Shield Barrier is activated, fire a cyclone of 100 projectiles.

When Shield Barrier is activated, all Weapon Stats are doubled for 5 seconds.

Shield Barrier recharges every 150 kills.

When Shield Barrier is activated, the entire screen is lit up for 5 seconds.

Shield Barrier recharges every 100 kills.
Max Health -1

Killing every 50 enemies while Shield Barrier is active temporarily increases all Weapon Stats by 5% (Stacks up to +25%).

Killing 100 enemies while Shield Barrier is active temporarily increases Vision Size by 50%.

Killing 150 enemies while Shield Barrier is active temporarily causes every shot to fire an extra projectile behind you.

On death, enemies will explode into 2 smaller projectiles of whatever killed them that deal 25% damage.

Shrapnel projectiles deal 50% damage.

Shrapnel projectiles deal 100% damage.

Fire Rate -10%

Shrapnel projectiles which kill enemies create additional projectiles which deal 50% damage.

Fire Rate -30%

After killing an enemy, your next shot will do 50% more damage.

If Doom Round kills an enemy, Fire Rate is temporarily doubled for 1 second.

Damage and Bullet Size of Doom Rounds are doubled.

Every 15 seconds, spawn a Singularity which deals 6 damage every half second and slows enemies by 25%.

Singularity despawns after 5 seconds.

Enemies inside a Singularity will be slowed down by 50%.

Singularity Damage +25%

Fire a Singularity every 10 seconds.

Singularity Damage +50%

Singularity Damage is increased by 10% for each enemy caught inside.

Singularity Damage +75%

Bullets shot into a SIngularity will be absorbed, increasing the SIngularity's size by 5% (Stacks up to +100%).

When a SIngularity despawns, it will shoot out a spiral of any bullets it absorbed.

Singularities will absorb any type of projectile.

Enemy projectiles move 30% slower.

Movement Speed +10%

Shoot an enemy projectile to Deflect it toward a random enemy, dealing 100% Bullet Damage (Enemy projectiles with green trails cannot be deflected).

Fire Rate -35%

Shooting an enemy projectile increases the damage of your bullet by 100%.

Deflected projectiles deal 200% Bullet Damage.

If a Deflected Projectile kills an enemy, it will spawn another Deflected Projectile at the same location.

Enemy projectiles move 50% slower.

Bullet Damage +10%

Killing an enemy will instantly destroy all projectiles that they fired.

Bullet Damage +30%
Fire Rate -10%

When enemy projectiles are destroyed, they split into 2 player projectiles that go in random direction.

Cone Vision Size +20%
Fire Rate +5%

Enemies revealed in Cone Vision take 20% more damage.

Cone Vision Size +25%

Fire Rate +30% while Cone Vision is active

Cone Vision Size +30%

Second smaller Cone Vision behind you.

Spawns a temporary Vision Circle on a nearby enemy every second.

Movement Speed +15%
Radar activates on 3 enemies at a time, and freezes them for a second.

Radar activates every half second.
Radar has a 10% chance to Mark enemies, doubling Fire Rate for 2 seconds and spawning a large Vision Circle when killed.

Radar activates on 5 enemies at a time.

Movement Speed +10%
EXP Pickup Range +25%

+25% Movement Speed while not shooting.

Movement Speed +5%

Bullet Damage is increased by 50% of increases in Movement Speed.

Movement Speed +10%

Wating for 3 seconds without shooting temporarily increases Movement Speed by 50% until your next shot.

EXP Pickup Range +30%

Picking up EXP increases the Bullet Damage, Bullet Size, and Bullet Speed of your next shot by 5% (Stacks up to +100%).

EXP Pickup Range +50%

EXP revealed in Vision will float towards the player from any range.

Movement Speed -20%

Here are two contrastive builds that I want to recommend (spoiler alert).

In both cases build:

• Bulk (full tree) and Quick Draw (full tree) for damage.
  
• Shield Barrier as an "accident insurance".

• Flashbang Star (Flashbangs, top, tier 3) for vision and crowd control.
  
• Light Magnet (Swiftness, bottom, tier 2) for EXP collection.
  
• Tempest (Electricity, top, tier 3) or Radiation for damage.
  
• Light in the Dark (Concealed Fatigue, bottom, tier 3) for damage, late game.
  
• For more explanations, refer to https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=3016955418

• prefer a ranged weapon and increase Bullet Speed for more range.
  
• Blind Telekinesis (Concealed Fatigue, top, tier 3) for damage, crowd control, and EXP collection.
  
• Bullet Flower (Quick Draw, bottom, tier 3) and Electricity for "vision" (the sparks effect is the hint at enemies' position) and damage.
  
• Akimbo (Shield Barrier, bottom, tier 3) for protection of your back.
  
• Tempest (Electricity, top, tier 3) for damage.
  
• For more explanations, refer to https://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=3027905436

If you want to be standing still, be sure to include:

• Meet Your Maker (Slowed Projectiles, bottom, tier 2) for no more bullet hell.
  
• Bullet Flower (Quick Draw, bottom, tier 3) and Electricity for "vision" and damage.
  
• Akimbo (Shield Barrier, bottom, tier 3).
  
• Electromagnetism (Electricity, top, tier 2) or Light Magnet (Swiftness, bottom, tier 3) for EXP collection (optional, unless going for a highscore)