Games like RIOO
Games like RIOO include Slime Rancher, Slime Rancher 2, DAVE THE DIVER, Donut County, and Dead Cells. We matched them by the tags players give RIOO on Steam (Roguelite, Casual, Roguelike, Adventure, and Top-Down): closest matches first, and among equally close ones the better-known games.

Slime Rancher
Shared: Adventure · Cute · Casual

Slime Rancher 2
Shared: Cute · Relaxing · Adventure

DAVE THE DIVER
Shared: Casual · Adventure · Relaxing

Donut County
Shared: Casual · Cute · Funny

Dead Cells
Shared: Roguelike · Adventure · Roguelite

A Short Hike
Shared: Adventure · Relaxing · Casual

Vampire Survivors
Shared: Roguelite · Roguelike · Casual

Noobs Want to Live
Shared: Roguelike · Casual · Roguelite

Balatro
Shared: Roguelike · Roguelite · Casual

Sephiria
Shared: Roguelite · Roguelike · Cute

The Legend of Bum-Bo
Shared: Roguelite · Adventure · Indie

Megabonk
Shared: Roguelite · Roguelike · Indie

Pikuniku
Shared: Casual · Adventure · Cute

Gunfire Reborn
Shared: Roguelite · Roguelike · Adventure

Unpacking
Shared: Casual · Cute · Relaxing

The Last Campfire
Shared: Adventure · Cute · Relaxing

PlateUp!
Shared: Roguelite · Roguelike · Cute

Juicy Realm
Shared: Adventure · Casual · Roguelike

The Binding of Isaac
Shared: Roguelike · Top-Down · Indie

Florence
Shared: Casual · Adventure · Cute

UnderMine
Shared: Roguelite · Adventure · Top-Down

Ballionaire
Shared: Casual · Roguelike · Roguelite

Skul: The Hero Slayer
Shared: Roguelike · Roguelite · Indie

Hades
Shared: Roguelite · Roguelike · Indie