Single-player games like Justice Ninja Casey
Below are 14 single-player Steam games similar to Justice Ninja Casey, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Justice Ninja Casey page.
Ranked picks
- 1
Feudal Bros - Tonosama #1
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required. Shares Action and Adventure with Justice Ninja Casey.
Japan. Edo period. After many years of violent wars, peace has returned to the land, but it doesn’t seem like it will last for long. A new danger lurks in the shadows, and only two noblemen can stop it: Lord Baka, a Japanese feudal lord, and Prince Bouffon, a prince from the faraway land of France.
- 2
Ninjin: Clash of Carrots
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required. Shares Action and Adventure with Justice Ninja Casey.
Ninjin: Clash of Carrots is an anime-inspired beat-em-up with varied enemies and deep customization. Play as the rabbit Ninjin, or Akai, the ninja fox, and fight to retrieve the carrots stolen by Shogun Moe! Redeem carrots for weapons, upgrades and more! Supports 2-player online or local co-op.
- 3
Teenage Mutant Ninja Turtles: Shredder's Revenge
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required. Shares Action and Adventure with Justice Ninja Casey.
Teenage Mutant Ninja Turtles: Shredder’s Revenge reunites Leonardo, Michelangelo, Donatello and Raphael as they kick shell in a beautifully realized beat ’em up.
- 4
9 Monkeys of Shaolin
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required. Shares Action and Adventure with Justice Ninja Casey.
The true rebirth of iconic beat 'em up genre in vein of old-school video games! As a simple Chinese fisherman Wei Cheng you have to avenge the death of your friends and family slaughtered in a pirate raid at your peaceful village.
- 5
Phantom Breaker: Battle Grounds Classic
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required. Shares Action with Justice Ninja Casey.
Phantom Breaker: Battle Grounds! Enjoy fast and frantic arcade-style beat 'em up gameplay with cute characters. Beat up hordes of weird enemies with awesome special attacks. Local co-op and PVP supported for up to 4 players!
- 6
Absolum
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required. Shares Action and Adventure with Justice Ninja Casey.
Fight as the outcast heroes of Talamh in a fierce battle to retake magic from Sun King Azra’s grasp in Absolum, an original roguelite beat ‘em up by Dotemu.
- 7
Shovel Knight: Treasure Trove
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required. Shares Action and Adventure with Justice Ninja Casey.
Shovel Knight: Treasure Trove is the complete Shovel Knight collection, containing all 5 games in the epic saga! Dig, blast, slash, and bash your way through a fantastical, 8-bit inspired world of pixel-perfect platforming, memorable characters, and world-class action-adventure gameplay.
- 8
Sonic Mania
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required. Shares Action and Adventure with Justice Ninja Casey.
Sonic Mania is an all-new adventure with Sonic, Tails, and Knuckles full of unique bosses, rolling 2D landscapes, and fun classic gameplay.
- 9
Ikki Unite
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required. Shares Action with Justice Ninja Casey.
SUNSOFT relapses... The legendary Bad Game Hall of Famer "Ikki" is back, and this time it's a multiplayer experience! You can't start a riot with just one or two people! Enlist up to 16 friends in this Roguelite madness... Ikki but united!
- 10
Ark of Charon
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required.
Build a mobile fortress on the back of a giant and mysterious walking Tree and embark on a journey in this merge of tower defense and colony simulation.
- 11
Ufouria: The Saga 2
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required. Shares Action with Justice Ninja Casey.
Explore the unique and wacky world of SUNSOFT's Ufouria in this exploration-based side-scrolling game. The levels' terrain change each time you play with new secrets to explore. Be charmed, comforted and tickled by the fluffy felt-like remake of the strange-but-cute world of Ufouria!
- 12
Mahjong Solitaire Refresh
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required.
The tile matching puzzle series "Mahjong Solitaire" welcomes the water-themed "Refresh" to its lineup! Fresh new attire, sweet and simple rules. From the upbeat songs and lovely images, to the new drag controls and panel unlocking system, please enjoy this invigorating addition to the series!
- 13
House Cleaning Survival
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required. Shares Adventure with Justice Ninja Casey.
One hose to clean them all!
- 14
SUNSOFT is Back! レトロゲームセレクション
Single-player alternative to Justice Ninja Casey — playable solo, no multiplayer required. Shares Action with Justice Ninja Casey.
SUNSOFT revival commemoration! Three carefully selected songs from SUNSOFT's works from the 1980s: "Wings of Madura," "53 Stations of the Tokaido," and "Ripple Island" are included!