Games like Rusty Seas
Games like Rusty Seas include Kung Fury: Street Rage - Ultimate Edition, Bud Spencer & Terence Hill - Slaps And Beans, SANABI, Vampire Survivors, and Streets of Rage 4. We matched them by the tags players give Rusty Seas on Steam (Beat 'em up, Pixel Graphics, Collectathon, Arcade, and Score Attack): closest matches first, and among equally close ones the better-known games.

Kung Fury: Street Rage - Ultimate Edition
Shared: Beat 'em up · Arcade · Pixel Graphics

Bud Spencer & Terence Hill - Slaps And Beans
Shared: Beat 'em up · Pixel Graphics · Arcade

SANABI
Shared: Pixel Graphics · Action · 2D

Vampire Survivors
Shared: Pixel Graphics · 2D · Arcade

Streets of Rage 4
Shared: Beat 'em up · Arcade · 2D

Teenage Mutant Ninja Turtles: Shredder's Revenge
Shared: Beat 'em up · Pixel Graphics · Arcade

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · 2D · Pixel Graphics

Broforce
Shared: Pixel Graphics · Action · 2D

UFO 50
Shared: Pixel Graphics · Arcade · 2D

Rhythm Doctor
Shared: Pixel Graphics · 2D · Story Rich

Celeste
Shared: Pixel Graphics · 2D · Female Protagonist

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · 2D · Action

Undertale
Shared: Pixel Graphics · Story Rich · 2D

Fight'N Rage
Shared: Beat 'em up · 2D · Arcade

Finding Paradise
Shared: Pixel Graphics · 2D · Story Rich

MARVEL Cosmic Invasion
Shared: Beat 'em up · Pixel Graphics · Arcade

DELTARUNE
Shared: Pixel Graphics · Story Rich · 2D

The friends of Ringo Ishikawa
Shared: Pixel Graphics · Beat 'em up · Action

River City Girls
Shared: Beat 'em up · Pixel Graphics · Action

Katana ZERO
Shared: Pixel Graphics · Action · 2D

River City Girls 2
Shared: Beat 'em up · Action · Collectathon

Kill The Crows
Shared: Arcade · Pixel Graphics · Action

Scott Pilgrim vs. The World™: The Game – Complete Edition
Shared: Beat 'em up · Pixel Graphics · Action

UBERMOSH
Shared: Pixel Graphics · Arcade · Action