Games like Oppidum

Towers of Aghasba, an open-world experience where players can build vast settlements and grow sprawling ecosystems on their fantasy island.

Len's Island is a relaxing, action-adventure game with survival and sandbox elements. You'll build and customize your home, farm, and explore procedurally generated islands. Fight monsters, discover secrets, and find inner peace in this immersive, nature-filled experience.

Welcome to The Hollow, a blighted and dying place, and home to the Drakes.Drakes are the friendly vegetable folk native to these parts, and they need your help. They’re hungry, thirsty, and need a place to sleep. They can - quite literally - die of boredom. It’s on you to save them. Build gardens to provide them with food, wells for water, and yoga balls and puppet shows to keep them entertained. …

"Beyond Contact" is a science fiction survival crafting game where players join the Space Corps, a division of the United Worlds Congress, to complete missions and help determine game features through a public bug tracker and upvoter. The game uses a top-down art style and encourages players to join the official Space Corps Discord server for orientation and to discuss their experiences.

"Feel the Snow" is a sandbox action-adventure game with RPG and survival elements, featuring an exciting storyline and dynamic combat system. Players can choose from two main characters, Annie and Willie, and explore the unique world, build and craft, solve puzzles, and battle dark creatures. The game supports up to four players in co-op mode.

In "Enshrouded" , you survival, craft, and engage in Action RPG combat across a voxel-based continent to uncover the story of a realm lost to pestilence. Starting with nothing, you'll scrape by, fending off beasts and searching for treasure in forests, caves, and dungeons. Your ultimate goal is to gain the strength to venture into the Shroud and fight the corrupted horrors within.

"Wildmender is an open-world, single-player and multiplayer co-op game with outstanding story and mechanics, set in a deserted world. Craft tools, grow gardens, delve into mysteries, befriend creatures, and defend the land from wraiths. Despite its wonderful visuals, exceptional soundtrack, and immersive gameplay, Wildmender is poorly optimized and buggy, with lots of grinding required."

In "Smalland: Survive the Wilds" , players explore a vast, open world from a small perspective, encountering lake-sized puddles, skyscraper-sized trees, and hidden NPCs. The game allows players to tame and ride various creatures, uncovering recipes for creature-taming while venturing through dense forests, hazardous swamps, and ancient ruins. As Vanguard you are on an urgent mission to survive in this vast wilderness, left behind by the time of the giants.

"Swords 'n Magic and Stuff" is a sandbox RPG set in a vibrant, procedurally generated world. Customize your character, gather resources, and craft weapons to defeat enemies. With a focus on player freedom, explore the vast world and create your own unique adventure.

"The Survivalists" is a role-playing game that offers both single-player and multiplayer options, with up to four players able to team up for co-op gameplay. The game takes place on a procedurally generated island, where players must gather resources, build shelter, and defend themselves against enemies. Monkeys can be tamed and trained to assist with tasks, and the game features day/night cycles and a variety of biomes to explore. However, it's worth noting that the game can be grindy and is known to have bugs.