
Review · Casual · iOS
Drop Merge: Number Puzzle
By the LumiKin editors
Reviewed: 10 Jun 2026
iOS
SUPERBOX · 2023
LumiScore
51/100
Good
Growth (BDS)
35
Risk (RIS)
6
Daily limit
120min
Age guidance
E10+
Developmental benefits
| B1 | Cognitive | 0.56 | |
| B2 | Social-emotional | 0.00 | |
| B3 | Motor | 0.35 | |
Drop Merge: Number Puzzle is a classic number merge puzzle that challenges players to strategically combine numbers to achieve higher scores. It significantly enhances problem-solving, strategic thinking, and critical thinking skills as players must plan their moves to avoid losing the game. The game also requires spatial awareness for block placement and attention to detail. It's a 'time killer' that genuinely aims to 'make you smart and advance your lateral thinking'.
Design risks
| R1 | Dopamine pressure | 0.07 | |
| R2 | Monetization | 0.00 | |
| R3 | Social risk | 0.11 | |
While primarily a cognitive puzzle, 'Drop Merge: Number Puzzle' includes a global leaderboard which could foster competitive toxicity and social comparison among players. The core mechanic of 'avoiding losing' introduces a mild element of loss aversion. The game's 'time killer' nature, combined with its simple, endless puzzle loop, could lead to extended play sessions, though it lacks explicit manipulative infinite play mechanics or stopping barriers like energy systems. Monetization risks are minimal, with no reported microtransactions, loot boxes, or subscriptions.
Heads up
- Monthly spendTypical real-money spend by engaged players: $0–0/mo.