Single-player games like Case Opener Guns
Below are 16 single-player Steam games similar to Case Opener Guns, 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 Case Opener Guns page.
Ranked picks
- 1

Case Simulator Weapons and Armors
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
Unbox some of the most exotic Weapons and Armors skins in this brand new game. Collect and improve rare Weapons and Armors.
- 2

Immortal IDLE
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
This is an IDLE cultivation game. Rise from mortal to immortal! Explore a world inspired by Confucian, Buddhist, and Taoist traditions as you master swordplay, elemental magic, or Buddhist powers. Grow spirit crops, craft items, defeat monsters, and loot treasures. Your path to immortality awaits!
- 3

Guns Craft
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
Guns Craft is an addictive anti-stress pixel art game. Choose from a variety of fun pixel images and follow the numbers to bring them to life. Pixel Coloring has never been this easy!
- 4

春秋:英雄(Heroes of ChunQiu)
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
《春秋:英雄》是一款挂机文字游戏,有着丰富的装备打造系统和单角色养成。在游戏中,你可以享受挂机自动战斗的便利,轻松积累资源,不断提升你的英雄实力。通过收集稀有材料,分解锻造,打造出独一无二的装备。游戏背景设定在春秋时期。《春秋:英雄》不仅适合休闲玩家轻松挂机,也满足深度玩家对策略和养成的追求。
- 5

Loop Alchemist
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
You wake up in an unknown land. Again. Use the experience from every past life and your ever-growing knowledge of alchemy to extend each life through a robust alchemical system. Explore, break through and uncover all the world has to offer in this minimalist RPG distilled down to its purest form
- 6

放置三国
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
The Three Kingdoms are at war, and heroes rise across the land. Begin with a humble force, recruit officers, train skills, farm gear, challenge enemies, and use rebirth to grow stronger. Battles run automatically, but every choice remains in your hands.
- 7

Bestia Forge
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
Arrange monsters to mine, cut wood, refine equipment, build, and improve the monsters' strength to adventure through levels.
- 8

放置斩魔录
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
这是一款融合放置挂机、回合制战斗与流派构筑的武侠养成游戏。培养角色、组合技能流派、搭配随机装备与独立装备,在领地经营、副本挑战与试练塔中打造属于你的最强阵容。
- 9

Shadow Ninja: Apocalypse
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
Fast 2D ninja action where every mistake costs everything. Run, dodge, attack and survive as long as you can.
- 10

Red Fox and the Four Seasons
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Indie and Casual with Case Opener Guns.
Embark on an enchanting adventure as Fox, exploring vibrant worlds of spring, summer, autumn, and winter. Jump, double jump, and overcome challenging obstacles in this captivating 2D platformer with stunning graphics. Skillfully navigate with just two buttons and uncover the secrets that lie within.
- 11

Solitaire - Cat Pirate Portrait
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
Solitaire - Cat Pirate Portrait - Experience the crisp, clear, and easy to read cards, simple and quick animations, and nice sounds, you can play with portrait views. You can move cards with a single tap or drag them to their destination.
- 12

Puzzle: Underwater World
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
Puzzle: Underwater World is a classical puzzle game invented in 1878, it’s still popular today. The sliding puzzle that consists of a frame of numbered square tiles in random order with one tile missing. The object of the puzzle is to place the tiles in order by making sliding moves that use the empty space.
- 13

Rainbow Duck
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Indie with Case Opener Guns.
Turn the Duck upside down and defying the laws of gravity. Rainbow Duck is an addictive game that requires focus, concentration and precise timing. The intuitive one-tap controls allow you to discover the ideal path through all the challenging mazes.
- 14

Jewels of the Mysterious Woodland
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
Jewels of the Mysterious Woodland - The new match 3 game is here, with brilliant jewels in over 600 dazzling puzzles! A magical journey filled with waves of excitement and brilliant visuals! Swap jewels to clear the way, and match pieces to crush each challenge that lies ahead.
- 15

Klondike Solitaire Kings
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
Famous Card game also known as Klondike. We kept the game true to the spirit of the classic Solitaire (also known as Klondike or Patience) Klondike Solitaire Kings features a beautiful custom designed card set in high resolution with 300+ levels, playing Patience on your desktop never looked this good!
- 16

Mahjong Challenge
Single-player alternative to Case Opener Guns — playable solo, no multiplayer required. Shares Strategy and Indie with Case Opener Guns.
Mahjong Challenge is the perfect game for the casual player looking for fun and extensive gameplay. The goal of this game is to match open pairs of identical tiles and remove them from the board. The game is finished when all pairs of tiles have been removed from the board.