Games like Flappatron: Episode 4 (Chapters 11 - 13)
Games like Flappatron: Episode 4 (Chapters 11 - 13) include Notes of Soul, Lost, G2 Fighter / 基因特工, LEWDAPOCALYPSE Hentai Evil, and Pikuniku. We matched them by the tags players give Flappatron: Episode 4 (Chapters 11 - 13) on Steam (Action, Adventure, Indie, Casual, and Sexual Content): closest matches first, and among equally close ones the better-known games.

Notes of Soul
Shared: Action · Adventure · Sexual Content

Lost
Shared: Sexual Content · Casual · Indie

G2 Fighter / 基因特工
Shared: Adventure · Action · Indie

LEWDAPOCALYPSE Hentai Evil
Shared: Action · Sexual Content · Indie

Pikuniku
Shared: Adventure · Indie · Casual

Mouse (Sneaking)
Shared: Action · Casual · Indie

Hentai Vs Furries
Shared: Adventure · Action · Sexual Content

Grand Theft Auto V Enhanced
Shared: Action · Sexual Content · Adventure

ATLYSS
Shared: Adventure · Action · Sexual Content

Caster
Shared: Action · Adventure · Indie

Atomic Heart
Shared: Adventure · Action · Sexual Content

Seek Girl Ⅳ
Shared: Sexual Content · Indie · Casual

Cyberhunt
Shared: Action · Indie · Adventure

Juicy Realm
Shared: Action · Adventure · Indie

Yokai's Secret
Shared: Indie · Sexual Content · Action

Wobbly Life
Shared: Adventure · Action · Casual

Bright Memory: Infinite
Shared: Action · Indie · Sexual Content

Super Fancy Pants Adventure
Shared: Action · Adventure · Indie

Minimalism
Shared: Action · Indie · Casual

Cat Quest
Shared: Adventure · Action · Indie

Cart Racer
Shared: Action · Indie · Casual

Marvel Rivals
Shared: Action · Sexual Content · Adventure

Need For Drink
Shared: Action · Casual · Adventure

Streamer Life Simulator
Shared: Casual · Indie · Sexual Content