Apps like XXI: 21 Puzzle Game
15 alternatives to XXI: 21 Puzzle Game in Games, ranked by our opportunity score from live revenue and download estimates — updated continuously, not a static list.
Royal MatchGames · $24M–$79M/mo
MONOPOLY GO!Games · $20M–$67M/mo
Gossip Harbor®: Merge & StoryGames · $17M–$56M/mo
Pokémon GOGames · $15M–$51M/mo
Candy Crush SagaGames · $12M–$42M/mo
RobloxGames · $8.2M–$44M/mo
Clash of ClansGames · $9.9M–$33M/mo
Smash Fest!Games · $6.7M–$36M/mo
eFootball™Games · $6.4M–$21M/mo
Clash RoyaleGames · $4.7M–$26M/mo
TownshipGames · $5.4M–$18M/mo
Brawl StarsGames · $3.8M–$21M/mo
FortniteGames · $3.5M–$19M/mo
Toon BlastGames · $4.4M–$15M/mo
EA SPORTS FC Soccer Mobile 26Games · $3.4M–$19M/mo