Games like Kai's Sandbox

"Minecraft: Play with Friends" is a sandbox game where you can explore infinite worlds, build structures, and survive dangerous mobs. You can play in creative mode with unlimited resources or mine in survival mode, crafting weapons and armor. The game also features cross-platform play, a marketplace for community content, and customizable add-ons for a personalized experience.

"Nova: Space Armada is a sci-fi strategy game with good story and mechanics, but is hindered by frequent ads, grinding, and bugs. Its phenomenal graphics and immersive space adventure make it an exceptional choice for the genre, despite its shortcomings."

Luanti is a single-player simulation game that offers a block-based game platform for creative building and exploration. Despite its engaging sandbox environment, the game is currently full of bugs that may affect gameplay. It provides a unique experience for those interested in construction and world-building.

"Crusade" is a single-player Warfare Real Time Strategy game set in the dark world of the 41st millennium. Choose from unique factions like Krieg Guard, Orcs, Imperial Fists, Daemons or Tyranids, each with their own strengths and traits. Use masterful game mechanics, consider unit characteristics, and engage in combat for command points to win in this splendidly visual, infinitely replayable experience, compatible with 1.15 game version.

"GoreBox" is a physics-based Simulation game, offering single-player creative destruction with plenty of humor. It boasts good game mechanics, compelling visuals, and a sandbox for extreme violence. Despite some bugs and an abundance of ads, players can enjoy limitless mayhem in this morbidly entertaining title. As described by the game itself, GoreBox provides a unique and darkly engaging experience for those who crave explosive and unrestrained action.

Alien Arena is a free, online-focused sci-fi shooter featuring fast-paced, arena-style combat. Engage in intense multiplayer matches with various game modes, or hone your skills in the single-player campaign against brutal alien hordes. With a wide array of weapons, unique character models, and impressive map design, Alien Arena delivers a thrilling experience for FPS enthusiasts.

Delta Touch is a single-player action game that brings together the ultimate collection of Doom engine source ports in one app. With amazing game mechanics, players can experience classic Doom gameplay with enhanced features and customization options. This comprehensive game is a must-have for fans of the iconic first-person shooter series.

Project Heartbeat is a single-player survival horror game where you play as a member of EIRT team, tasked to investigate a mysterious signal from a remote research facility. Fight off hostile creatures, solve puzzles, and uncover the sinister truth behind the signal in a tense atmosphere with a focus on stealth and resource management.

OverField is a role-playing game featuring both single-player and multiplayer modes, where you lead an exploration team into the mysterious "OverField," a hidden realm within Rota's world. Explore a beautifully crafted miniature 3D environment filled with adventure, charming combat, and dynamic events. Build your squad, face enigmatic forces, and uncover the secrets behind this captivating frontier.

"Dead Matter" is a role-playing game in which players can survive a zombie-infested world in single-player, multiplayer, or co-op modes for up to 2 players. Set in 2025, the game places players in the Kananaskis area of Alberta, where a mysterious virus has turned people into flesh-eating monsters. The game is currently in Early Access, with the developers frequently updating the Nightly testing branch based on community feedback.