The Merge Spire: Stack & Merge is an overall app developed by Yejoon kim.
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App Information
The Merge Spire: Stack & Merge is FREE to download. The APK download size is 51.16 MB. The latest version available is 1.5. The last update was on December 14, 2025.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play December 2025.
Description
THE MERGE SPIRE - Strategic Block Puzzle Adventure
Master strategic placement, trigger massive chain reactions, and discover powerful augment combinations to reach unprecedented heights.
CORE GAMEPLAY - Place blocks on 3 towers with gravity-based stacking - Merge identical blocks to level up (1, 2, 3... up to 999!) - Trigger automatic chain fusions for explosive combos - Strategic tower management with 15 total slots
SPECIAL BLOCKS (11 Types)
Strategic Tools: - Bomb: Destroy blocks instantly - Catalyst: Force merge with bonus levels - Swap: Pull blocks from below - Adaptive: Match any block level
High-Risk, High-Reward: - Freeze: Lock tower for 3 turns, then +1 to all - Cursed: Powerful blocks (Lv.6-8) but locks tower for 5 turns
AUGMENT SYSTEM (33 Unique Powers)
Unlock permanent upgrades at milestones (Lv.10, 20, 30, 35, 40): - Dice: Reroll blocks every 10 turns - Clairvoyance: Preview 5 blocks instead of 3 - Ice Age: Frozen blocks grow stronger over time - Necromancer: Transform curses into opportunities - Super Catalyst: 5-chain rewards grant powerful catalysts
Build devastating combos: - Chain Boost + Super Catalyst = Infinite power scaling - Ice Age + Refrigerator = Growing fortress strategy - Bomb Maniac + Sniper = Precision destruction
CHAIN SYSTEM
Create cascading merges for massive rewards: - 3-Chain: 1-2 special blocks - 4-Chain: 2-3 special blocks - 5-Chain: 3-4 special blocks + Super Catalyst or Super Bomb!
Feel the satisfaction with haptic feedback and visual effects!
DIFFICULTY CURVE - Early Game (0-30 turns): Learn mechanics with 70% helpful blocks - Mid Game (31-99 turns): Balance strategy and risk (45%/55% split) - Late Game (100+ turns): Hell mode with 65% high-risk blocks!
COMPETE & SHARE - Global leaderboard with max rank tracking - Show off your augment builds to other players - Challenge your personal best: highest level & longest survival
PERFECT FOR - Puzzle game enthusiasts who love strategic depth - 2048 fans seeking fresh challenges - Players who enjoy roguelike progression systems - Anyone craving satisfying chain reaction gameplay
FEATURES - 7 Languages: English, Korean, Japanese, Chinese, Spanish, Portuguese, German - Offline play supported - No energy system - play as much as you want! - Regular updates with new augments and features
Download now and see how high you can build your Spire!
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.