Games like Worm in Ruins
Games like Worm in Ruins include Chained Together, A Hat in Time, Pumpkin Jack, Slime Rancher, and Kao the Kangaroo: Round 2 (2003 re-release). We matched them by the tags players give Worm in Ruins on Steam (Adventure, Casual, Sandbox, Walking Simulator, and Platformer): closest matches first, and among equally close ones the better-known games.

Chained Together
Shared: Adventure · Casual · Platformer

A Hat in Time
Shared: 3D Platformer · Adventure · Collectathon

Pumpkin Jack
Shared: Adventure · 3D Platformer · Collectathon

Slime Rancher
Shared: Adventure · Sandbox · Casual

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

Grow Home
Shared: Adventure · Casual · 3D Platformer

Wobbly Life
Shared: Adventure · Sandbox · Casual

Totally Accurate Battle Simulator
Shared: Sandbox · Adventure · Realistic

Scribblenauts Unlimited
Shared: Casual · Adventure · Sandbox

Sonic Frontiers
Shared: Adventure · 3D Platformer · Platformer

Spyro™ Reignited Trilogy
Shared: Adventure · 3D Platformer · Platformer

Yooka-Laylee
Shared: Adventure · 3D Platformer · Platformer

A Story About My Uncle
Shared: Adventure · Platformer · 3D Platformer

Psychonauts
Shared: Adventure · Platformer · 3D Platformer

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

Spirit of the North
Shared: Adventure · Casual · Walking Simulator

Firewatch
Shared: Adventure · Walking Simulator · Indie

TY the Tasmanian Tiger
Shared: Adventure · 3D Platformer · Platformer

Human Fall Flat
Shared: Adventure · Sandbox · Funny

Garry's Mod
Shared: Sandbox · Casual · Funny

Funi Raccoon Game
Shared: Adventure · Casual · 3D Platformer

The Scroll of Taiwu : Beyond The Dome
Shared: Sandbox · Adventure · Casual

Just Cause 2
Shared: Sandbox · Adventure · Third Person

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