Games like Supaplex HARD
Games like Supaplex HARD include Planet of Lana, LIMBO, Defy Gravity Extended, UFO 50, and Braid. We matched them by the tags players give Supaplex HARD on Steam (Action, Casual, Indie, Puzzle, and Arcade): closest matches first, and among equally close ones the better-known games.

Planet of Lana
Shared: Action · Puzzle Platformer · Puzzle

LIMBO
Shared: Indie · Puzzle · Puzzle Platformer

Defy Gravity Extended
Shared: Indie · Puzzle · Puzzle Platformer

UFO 50
Shared: Indie · Action · Arcade

Braid
Shared: Puzzle · Indie · Puzzle Platformer

Gorogoa
Shared: Puzzle · Indie · Casual

Zup!
Shared: Casual · Puzzle · Indie

Pikuniku
Shared: Indie · Casual · Puzzle

Zup! 2
Shared: Casual · Puzzle · Indie

Supaplex
Shared: Action · Casual · Indie

Vampire Survivors
Shared: Indie · Casual · 2D

Nihilumbra
Shared: Indie · Casual · Puzzle

SANABI
Shared: Action · 2D Platformer · Indie

Cyberhunt
Shared: Action · Indie · Casual

Timberman
Shared: Casual · Indie · Action

Zup! S
Shared: Casual · Puzzle · Indie

Zuma's Revenge!
Shared: Action · Casual · Puzzle

Waveform
Shared: Indie · Casual · Puzzle

Exit the Gungeon
Shared: Action · Indie · Arcade

Zup! 3
Shared: Casual · Puzzle · Indie

Zup! 4
Shared: Casual · Puzzle · Indie

Zup! 8
Shared: Casual · Puzzle · Indie

ANTONBLAST
Shared: Action · 2D Platformer · 2D

Retrowave
Shared: Indie · Casual · Action