• Tetris + Rearrangement + Unit Generation: Similar to StarVaders and BALL X PIT for their respective classic games' rejuvenation, Drop Duchy aims to spice up the classic Tetris gameplay with roguelite elements and some new ideas. Blocks are now categorized into two types: building blocks and terrain blocks. You still need to carefully arrange the blocks since forming a line grants you resources from the corresponding terrains, but you also need to pay close attention to how each building block interacts with different terrains and with each other. This design alone changes the classic gameplay significantly. Buildings have passives that allow them to either terraform, gain resources, or generate units. It is important to place buildings with similar traits as well as target terrains together to reap the maximum benefit out of them.
  
  
• Battles: There are three types of military units, and they counter each other accordingly. Your enemies also have similar buildings that YOU need to place during a round. Here is where things get more interesting. The unit counter adds an additional layer of thinking to block placement and your building collection. Observing enemy military units and picking the right ones to counter them only wins half of the war. How to keep the hostile units from gaining more troops while steadily strengthening yours via terrain interaction is key to victory. Every round is a testament to your re-arranging skill and your pre-planning ability.

• Unlockable Progress: The game offers you quests for each faction. Fulfilling them grants you points, which can be used to unlock new buildings or new gameplay mechanics in the skill tree. I quite like this system because it handles the meta progression a bit differently. It is designed to alleviate some of the frustration from the typical roguelite permanent death. You still have something to work for even if you have a bad run. However, I have some concerns regarding the system. First of all, a lot of stuff and important features are locked behind this system. It may take a while to unlock them, and the runs in the first few hours may not offer much variation because of this. Sure Technology Cards are amazing boons to your units, but you may have to play through the same path over and over. Second, some of the unlockables may feel rather underwhelming or straight-up useless to use, and they can easily dilute the draw pool at the end of a round.

• RNG: It has been plaguing the roguelike/rouglite genre since its inception, and I don't see it stopping here either. We all know RNG can be brutal and moody. You can have one run that breezes through any obstacles, and then the other fails spectacularly from the beginning. Like other roguelites, Drop Duchy tries to balance the RNG, but ultimately it is not enough. The culprit lies within the block-shuffling. Every round the game mixes up all the blocks and drip-feeds them in random order. You are completely at the mercy of the RNG, and there isn't much you can do about it. I know I just say "every round is a testament to your re-arranging skill and your pre-planning ability", but in reality that situation only happens like 30% of the time. Oftentimes most of my winning runs feel more reliant on the RNG generously dropping the right building at the right moment rather than on my skillful execution. It's funny because the game actually encourages you to quick load a save if you feel unlucky. It's such a band-aid feature that further reinforces the idea of gambling for a better RNG instead of adapting/improvising.

中文小簡評
→概念不錯的俄羅斯方塊變體，雖然遊戲性容易被RNG搞，但總體來說還是值得一玩。
→與《星之侵略者》和《戰球坑洞》雷同，《疊疊樂公園》以roguelite、資源蒐集、軍隊生成等要素重新詮釋經典俄羅斯方塊的玩法。
→玩法仍然是以排列連線為主，方塊分為兩類：建築物與地形，在連線的同時也需要注意方塊地形種類與建築物間的互動，不同建築物擁有不同被動技能，可以用來改造地形、獲得資源或生成軍隊單位，放對地形與建築物才能有效發揮其優勢。
→本作也有設計敵對建築，需要由「你」來放置，這就讓玩法變得十分有趣。排列組合前得好好思考軍隊單位的相互克制，開戰前觀察敵人配置並選擇相剋軍隊建築非常重要，但這僅僅是戰鬥的一半，如何有效阻止敵方單位獲得更多兵力、同時利用地形優勢穩定強化己方勢力才是勝券在握的關鍵。
→不同陣營擁有不同任務，完成任務獲得點數，可以在技能樹中解鎖新建築或新機制。個人覺得這項設計不錯，能夠多少舒緩roguelite中常見「永久死亡」帶來的挫折感，即使運氣不佳搞不到好組合，你也能專注在完成任務好讓後續的run更加多樣，但是這項設計仍有些問題。
→很多新建築及重要功能都被鎖在中後期的技能樹裡，全部解鎖相當費時，也容易造成前幾個小時的遊戲體驗一成不變，路線幾乎毫無變化；其次，很多新建築的功能相當雞肋，解鎖了反而稀釋掉卡池的穩定性。
→另外一個比較大的問題就是RNG，這令人又愛又恨的鬼東西一直都是roguelite遊戲的硬傷，《疊疊樂公園》有試圖平衡掉隨機性帶來的不便，但最後還是拿它無可奈何。每一回合系統都會將所有方塊混合後逐一投放，掉落順序完全依隨機性心情而定，雖然有機會開場就完美構築出最棒的排列組合，但絕大部分時間並非如此。很多時候我都覺得我能贏純粹是因為系統剛好在對的時間降下對的建築物，而不是透過高超的排列技巧取勝。
→好笑的是，遊戲鼓勵你運氣不好時快速讀檔重新來過，這樣反而強化了「賭運氣」的成分而非強調「隨機應變」的觀念。

引用自 author：

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这绝对是最好玩的俄罗斯方块类游戏，没有之一。一个简简单单的俄罗斯方块也能开发成这么丰富的游戏简直是太棒了！

Welcome to the world of Tactical Tetris! its very brain-tastik! In order to unlock cards you have to complete unique challenges that sometimes forces you to play in ways that hurt your soul. So you have to think carefully about your build and placement and how not only your cards interact with eachother but also how the enemy building interact with not just eachother but with your stuff too! Theres also alot of math. There is tons of replayability and out the box thinking. its the most puzzly of puzzle games!
Only the sharpest of minds will succeed! I cant say enough good thing about this game! Its my new favorite.
So... If you fail at thinks like literacy, critical thinking, math and reading comprehension you should probly avoid this game. So gen z/a should learn to pay attention in school and get off the brainrot if they want to enjoy this game.