Games like Rubber Duck Survival
Games like Rubber Duck Survival include Megabonk, Vampire Survivors, Skul: The Hero Slayer, Brotato, and Slime Rancher. We matched them by the tags players give Rubber Duck Survival on Steam (Action, Family Friendly, Survival, Arcade, and Roguelike): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Roguelike · Action · Survival

Vampire Survivors
Shared: Action Roguelike · Singleplayer · Roguelike

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

Brotato
Shared: Roguelike · Singleplayer · Survival

Slime Rancher
Shared: Singleplayer · Cute · Funny

Have a Nice Death
Shared: Action · Singleplayer · Funny

Rogue Legacy
Shared: Action · Roguelike · Singleplayer

Sonic Origins
Shared: Action · 2D Platformer · Family Friendly

Rogue Legacy 2
Shared: Action · Arcade · Singleplayer

pureya
Shared: Arcade · Singleplayer · Action

Dead Cells
Shared: Roguelike · Action Roguelike · Action

The Binding of Isaac
Shared: Roguelike · Action · Action Roguelike

Hades
Shared: Action · Roguelike · Action Roguelike

Exit the Gungeon
Shared: Action · Arcade · Singleplayer

BALL x PIT
Shared: Action · Arcade · Roguelike

Zuma Deluxe
Shared: Arcade · Family Friendly · Funny

Plants vs. Zombies GOTY Edition
Shared: Singleplayer · Family Friendly · Funny

Gang Beasts
Shared: Action · Funny · Singleplayer

Downwell
Shared: Action · Arcade · Action Roguelike

SANABI
Shared: Action · Singleplayer · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Funny · Action

Pikuniku
Shared: Action · Cute · Funny

Feeding Frenzy 2 Deluxe
Shared: Arcade · Family Friendly · Singleplayer

The Binding of Isaac: Rebirth
Shared: Roguelike · Action Roguelike · Singleplayer