Games like Cain
Games like Cain include SANABI, Refind Self: The Personality Test Game, Rabi-Ribi, TEVI, and SUPER CHICKEN JUMPER. We matched them by the tags players give Cain on Steam (Side Scroller, Choose Your Own Adventure, Collectathon, Interactive Fiction, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · Story Rich · 2D

Refind Self: The Personality Test Game
Shared: Interactive Fiction · Choose Your Own Adventure · 2D

Rabi-Ribi
Shared: Side Scroller · Cute · Action-Adventure

TEVI
Shared: Action-Adventure · Side Scroller · 2D

SUPER CHICKEN JUMPER
Shared: 2D · Action-Adventure · Cute

Skul: The Hero Slayer
Shared: Action · 2D · Side Scroller

Teenage Mutant Ninja Turtles: Shredder's Revenge
Shared: Side Scroller · 2D · Action-Adventure

To the Moon
Shared: Story Rich · Interactive Fiction · Indie

Gensokyo Night Festival
Shared: Action · Cute · Casual

BlazBlue Entropy Effect
Shared: 2D · Action-Adventure · Action

ICEY
Shared: Side Scroller · Action · 2D

Florence
Shared: Cute · Casual · Interactive Fiction

Far Away
Shared: Choose Your Own Adventure · Story Rich · Cute

Montaro
Shared: Cute · Casual · 2D

Until Then
Shared: Interactive Fiction · 2D · Story Rich

BOKURA
Shared: 2D · Action · Action-Adventure

BOKURA: planet
Shared: Action-Adventure · Action · 2D

Finding Paradise
Shared: 2D · Story Rich · Interactive Fiction

Monster Boy and the Cursed Kingdom
Shared: Side Scroller · Action · 2D

Ori and the Will of the Wisps
Shared: Action · Action-Adventure · Story Rich

NEEDY STREAMER OVERLOAD
Shared: Cute · 2D · Anime

Momodora: Moonlit Farewell
Shared: Side Scroller · Action-Adventure · 2D

Touhou Hero of Ice Fairy
Shared: Side Scroller · Cute · Anime

Broforce
Shared: Action · 2D · Side Scroller