Games like Cyber Miner 2
Games like Cyber Miner 2 include Vampire Survivors, Megabonk, Downwell, Crab Champions, and BALL x PIT. We matched them by the tags players give Cyber Miner 2 on Steam (Action, Casual, Action Roguelike, Arcade, and Platformer): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Casual

Megabonk
Shared: Action Roguelike · Action · Bullet Hell

Downwell
Shared: Action Roguelike · Precision Platformer · Action

Crab Champions
Shared: Action Roguelike · Arcade · Casual

BALL x PIT
Shared: Action · Arcade · Action Roguelike

Windowkill
Shared: Action · Action Roguelike · Arcade

Noobs Want to Live
Shared: Action · Bullet Hell · Action Roguelike

BlazBlue Entropy Effect
Shared: Action · Action Roguelike · Platformer

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Action

Project Lazarus
Shared: Action · Action Roguelike · Casual

Rogue: Genesia
Shared: Action Roguelike · Bullet Hell · Arcade

Death Must Die
Shared: Action Roguelike · Bullet Hell · Action

Nova Drift
Shared: Arcade · Action Roguelike · Bullet Hell

Planes, Bullets and Vodka
Shared: Action · Casual · Arcade

Rogue Legacy
Shared: Action · Platformer · Action Roguelike

Skul: The Hero Slayer
Shared: Action · Action Roguelike · Platformer

MARVEL Tōkon: Fighting Souls
Shared: Action · Casual · Arcade

Rogue Legacy 2
Shared: Action · Arcade · Platformer

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Casual

Spelunky
Shared: Action Roguelike · Platformer · Arcade

Utopia Must Fall
Shared: Casual · Arcade · Action Roguelike

Bit Blaster XL
Shared: Bullet Hell · Arcade · Action

UBERMOSH:BLACK
Shared: Action · Arcade · Action Roguelike

Risk of Rain (2013)
Shared: Action Roguelike · Action · Platformer