Games like Tumblestone
Games like Tumblestone include Gang Beasts, Overcooked! 2, Move or Die, Timberman, and Overcooked. We matched them by the tags players give Tumblestone on Steam (Indie, Casual, Strategy, Action, and Puzzle): closest matches first, and among equally close ones the better-known games.

Gang Beasts
Shared: Action · Casual · Indie

Overcooked! 2
Shared: Casual · Indie · Local Co-Op

Move or Die
Shared: Action · Indie · Local Multiplayer

Timberman
Shared: Casual · Indie · Action

Overcooked
Shared: Indie · Casual · Local Co-Op

Zuma Deluxe
Shared: Puzzle · Match 3 · Strategy

Zup! S
Shared: Casual · Indie · Puzzle

Stick Fight: The Game
Shared: Action · Local Multiplayer · Casual

SpeedRunners
Shared: Indie · Action · Local Multiplayer

Bejeweled® 3
Shared: Casual · Puzzle · Strategy

Human Fall Flat
Shared: Puzzle · Action · Indie

Pikuniku
Shared: Indie · Casual · Puzzle

Zuma's Revenge!
Shared: Casual · Action · Puzzle

Bloons TD 6
Shared: Strategy · Casual · Singleplayer

Castle Crashers®
Shared: 2D · 4 Player Local · Action

Broforce
Shared: Action · Indie · Local Co-Op

Peggle Deluxe
Shared: Casual · Puzzle · Singleplayer

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · Singleplayer

Plague Inc: Evolved
Shared: Strategy · Indie · Casual

Out of Space
Shared: Casual · Indie · Strategy

Rhythm Doctor
Shared: Indie · Action · Singleplayer

Golf With Your Friends
Shared: Casual · Indie · Singleplayer

Tricky Towers
Shared: Casual · Puzzle · Indie

Waveform
Shared: Indie · Casual · Puzzle