Games like Valletine against Darkne
Games like Valletine against Darkne include Sonic Origins, Sonic Superstars, Castle of Illusion, Laughing to Die, and Scribblenauts Unlimited. We matched them by the tags players give Valletine against Darkne on Steam (Adventure, Casual, Platformer, 2D Platformer, and Family Friendly): closest matches first, and among equally close ones the better-known games.

Sonic Origins
Shared: Adventure · 2D Platformer · Platformer

Sonic Superstars
Shared: Platformer · Adventure · 2D Platformer

Castle of Illusion
Shared: Adventure · Platformer · Casual

Laughing to Die
Shared: Adventure · Casual · Platformer

Scribblenauts Unlimited
Shared: Casual · Adventure · Family Friendly

DuckTales: Remastered
Shared: Adventure · Platformer · Casual

Thank Goodness You're Here!
Shared: Adventure · Casual · 2D Platformer

SANABI
Shared: Adventure · 2D Platformer · 2D

Hollow Knight
Shared: Platformer · 2D · Adventure

BEEP
Shared: Adventure · Platformer · 2D

Sonic Mania
Shared: Platformer · 2D · Adventure

Celeste
Shared: Platformer · 2D Platformer · Adventure

Sonic the Hedgehog 4 Episode 1
Shared: Platformer · Adventure · 2D

Thomas Was Alone
Shared: Platformer · 2D Platformer · 2D

Brawlhalla
Shared: Casual · 2D Platformer · Platformer

Pikuniku
Shared: Adventure · Casual · Platformer

SONIC X SHADOW GENERATIONS
Shared: Platformer · Adventure · 2D Platformer

Plants vs. Zombies GOTY Edition
Shared: Casual · Singleplayer · 2D

DAVE THE DIVER
Shared: Casual · Adventure · Singleplayer

Strange Jigsaws
Shared: Adventure · Casual · 2D

Rayman® Legends
Shared: Adventure · Platformer · 2D

Chained Together
Shared: Adventure · Platformer · Casual

Dead Cells
Shared: Adventure · 2D · Platformer

Super Fancy Pants Adventure
Shared: Adventure · Platformer · Casual