Games like Wathan Games
Games like Wathan Games include Vampire Survivors, The Bridge, We Need To Go Deeper, Storyteller, and Kingdom Rush Frontiers - Tower Defense. We matched them by the tags players give Wathan Games on Steam (Casual, Trivia, Choices Matter, Puzzle Platformer, and Hand-drawn): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Roguelite · Casual · 2D

The Bridge
Shared: Puzzle Platformer · Hand-drawn · 2D

We Need To Go Deeper
Shared: 2D · Roguelite · Hand-drawn

Storyteller
Shared: Hand-drawn · 2D · Choices Matter

Kingdom Rush Frontiers - Tower Defense
Shared: Choices Matter · 2D · Casual

PICO PARK
Shared: Casual · Puzzle Platformer · 2D

Gorogoa
Shared: Hand-drawn · Casual · Indie

Hidden Folks
Shared: Casual · Hand-drawn · 2D

MECCHA CHAMELEON
Shared: Casual · Hand-drawn · Indie

Chained Together
Shared: Casual · Puzzle Platformer · Co-op

Zup! S
Shared: Casual · 2D · Indie

Zup!
Shared: Casual · 2D · Puzzle Platformer

That's not my Neighbor
Shared: Casual · Choices Matter · 2D

Defy Gravity Extended
Shared: Puzzle Platformer · Casual · 2D

Zup! F
Shared: Casual · 2D · Puzzle Platformer

DAVE THE DIVER
Shared: Casual · Underwater · Roguelite

Zup! 2
Shared: Casual · 2D · Puzzle Platformer

Zup! X
Shared: Casual · 2D · Puzzle Platformer

Munin
Shared: Casual · Puzzle Platformer · 2D

Loop Hero
Shared: Choices Matter · Roguelite · Indie

Rana Card
Shared: Casual · Roguelite · 2D

Zup! 3
Shared: Casual · 2D · Puzzle Platformer

Melvor Idle
Shared: Casual · 2D · Indie

GRIS
Shared: Hand-drawn · Indie · 2D