Games like Gridworld

"Ecosystem is a single-player strategy game with high-quality graphics and approximately 23 hours of playtime. The game's unique feature is the simulation of evolving virtual creatures, whose bodies, behaviors, and nervous systems are all determined by their synthetic DNA, which can be modified by the player. These creatures evolve on their own to adapt to the physically-simulated ocean environment created by the player."

"Species: Artificial Life, Real Evolution" is a simulation game where players create and evolve unique species in a dynamic ecosystem. Observing and manipulating various factors such as genetics, environment, and behavior, players can watch as their creatures adapt and survive in a real-time evolutionary process. With countless possibilities and a sandbox-style gameplay, this game offers a fascinating look into the world of evolutionary biology.

"The Bibites" is a simulation game where players observe evolution in action. Each bibite, a small critter, starts with basic genes and no behavior, but mutations can lead to new brain connections and behaviors, such as movement or food consumption, enabling reproduction and energy gain. As time passes, complex behaviors like hunting and stockpiling emerge, with features including procedural sprites, self-awareness, pheromones, material simulation, and grabbing/throwing.

The Sapling is a simulation game where you design your own plants and animals, and put them in a world together. Or you turn on random mutations, and see what evolution does to your ecosystem!

"Niche: A Genetics Survival Game" is a strategy simulation where players manage a tribe of animals, navigating through diverse islands with varying environments. Your goal is to adapt your species to survive, managing their genetics, behaviors, and traits. Overcome challenges such as harsh weather, predators, and limited resources to ensure your species' survival and evolution.

"Thrive is a single-player open-world game where you guide the evolution of a single-celled organism on an alien planet, starting from the Last Universal Common Ancestor. Survive in the environment, adapt your species through mutations, and compete with other emerging species in a population dynamics-driven simulation. Gameplay involves both individual cell survival and editing your species' traits to ensure its success."

"Intelligent Design: An Evolutionary Sandbox" is a simulation game that allows players to create and modify a variety of ecosystems and organisms. Design and evolve creatures with unique abilities, behaviors, and appearances using an intuitive design tool. Observe how your creations adapt to environmental challenges and compete or cooperate with other species in a dynamic, ever-changing world. **Approximately 256 characters

Equilinox is a single-player 4X game that offers stunning visuals and an exceptional soundtrack, but can be very grinding with plenty of bugs. As a low-poly nature simulation game, it allows players to create and manage their own ecosystem in an engaging and highly emotional atmosphere, currently being developed in Java using OpenGL.

"Earthtongue" is a single-player Science Fiction Simulation game with a stunning soundtrack, where players guide a sunless world of fungi and bugs. The objective is to maintain the ecosystem's balance, with limited goals such as maximizing the ecosystem's health or creating a fungal garden. The game allows players to peacefully observe the unfolding story of this unique world or interact with it through subtle nudges to breed bugs or influence the food chain.

"Rise to Ruins" is a godlike village simulator that combines elements from classic real-time strategy and resource management games, with twists of tower defense and survival. The objective is to manage a village, defend against monsters at night, and expand during the day, with the knowledge that failure is common, but provides learning opportunities.