Games like BlockGame
Games like BlockGame include s&box, Caster, Sonic Frontiers, Moncage, and Bloons TD 6. We matched them by the tags players give BlockGame on Steam (Casual, Adventure, Strategy, Shooter, and 3D Platformer): closest matches first, and among equally close ones the better-known games.

s&box
Shared: Casual · Shooter · 3D Platformer

Caster
Shared: Adventure · Casual · Strategy

Sonic Frontiers
Shared: Adventure · 3D Platformer · 3D

Moncage
Shared: Casual · Adventure · Indie

Bloons TD 6
Shared: Strategy · Casual · Singleplayer

Chained Together
Shared: Adventure · Casual · 3D Platformer

Monument Valley
Shared: Adventure · Casual · Strategy

SMITE 2
Shared: Strategy · Adventure · Casual

Drifter Star: Evolution
Shared: Casual · Strategy · Adventure

How to Fish
Shared: Shooter · Adventure · Indie

Ratchet & Clank: Rift Apart
Shared: Adventure · 3D Platformer · Third Person

Home Behind
Shared: Adventure · Casual · Strategy

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

Grand Theft Auto V Legacy
Shared: Adventure · Shooter · Third Person

Pumpkin Jack
Shared: Adventure · 3D Platformer · Indie

Plague Inc: Evolved
Shared: Strategy · Casual · Indie

Marvel’s Spider-Man Remastered
Shared: Adventure · Singleplayer · Third Person

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: Adventure · Casual · 3D Platformer

Game Dev Tycoon
Shared: Casual · Strategy · Indie

God of War
Shared: Adventure · Singleplayer · Third Person

Tomb Raider Game of the Year
Shared: Adventure · Third Person · Singleplayer

Totally Accurate Battle Simulator
Shared: Strategy · Adventure · Indie

The Scroll of Taiwu : Beyond The Dome
Shared: Strategy · Adventure · Indie

BEEP
Shared: Adventure · Indie · Casual