found this on the GameJolt page for Sunky's Schoolhouse : r/sunky

Game Jolt - Share your creations

sunky the game part 3 (android) by stas's ports - Play Online

Sunky's Schoolhouse Gameplay + Prototype Build

NEW SUNKY GAME! - Sunky's Schoolhouse (Sonic Fangame)

Steam Community :: Guide :: The Slunky Sounds Of The Sunky Games

Friday Night Funkin': Sonic's Freak Pizzaria

How To Be A PRO Speedrunner in Sunky's Schoolhouse!

Sunky's Schoolhouse by BimbusBobus - Play Online - Game Jolt

The Sunky Collection Plus (Sunky the game, Sunky 2, Sunky.mpeg

LooneyDude's сancelled Sunky 2 prototype (android) by stas's ports