Best Star Citizen Alternatives & Competitors in 2025

Player-created empires, player-driven markets, and endless ways to embark on your personal sci-fi adventure.

Key EVE Online features:

Complex and Deep Gameplay Player-Driven Economy Large-Scale Space Battles Community and Social Interaction

Hello, Thanks for all your continued feedback – we've been listening carefully and have continued to make a number of improvements. In this patch we're introducing an overhauled save system, which makes managing saves between game modes much easier.

Key No Man's Sky features:

Exploration Freedom Regular Updates Creative Base Building Multiplayer Features

As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more.

Key DocRaptor features:

Ease of Use Customizable High-Quality Rendering Compliance

Try for free paid Free Trial $15.0 / Monthly (125+ Documents)

Elite Dangerous is a 2015 Trading, Action, Sci-fi, Exploration, Open World and Space Simulation by Frontier Developments.

Key Elite Dangerous features:

Expansive Universe Realistic Space Simulation Multiplayer Interaction Regular Updates

Star Conflict is a free MMO action game and space simulator that was introduced in 2012.

Key Star Conflict features:

Diverse Gameplay Modes Customizable Starships Impressive Visuals Strong Community

Build spacecraft, fly them, and try to help the Kerbals to fulfill their ultimate mission of conquering space.

Key Kerbal Space Program features:

Educational Value Realistic Physics Creative Freedom Modding Community

OGame is an addictive, Massively Multiplayer Online, Real-time Strategy, Space-war, and Money Management Browser-based video game develop by Gameforge AG.

Key OGame features:

Strategic Depth Community Player Versus Environment (PvE) and Player Versus Player (PvP) Balance Persistent Universe

Empyrion is a 3D open world, space survival adventure in which you can fly across space and land on...

Key Empyrion features:

Open-World Exploration Creativity and Customization Survival Elements Multiplayer Experience

Star Trek Online (STO) is a free to play MMORPG that takes place inside the Star Trek world.

Key Star Trek Online features:

Immersive Universe Customizable Ships and Characters Variety of Missions Strong Community

The space-based MMO Vendetta Online balances an online trading system with tense ship-to=ship combat.

Key Vendetta Online features:

Cross-Platform Availability Real-Time Space Combat Player-Driven Economy Open World Exploration

Explore, build, fight, trad and mine in a procedural co-op space sandbox.

Key Avorion features:

Sandbox Freedom Cooperative Multiplayer Dynamic Universe Complex Shipbuilding

It is a science fiction space trading and combat simulator series.

Key X4: Foundations features:

Dynamic Universe Complex Economy Modular Ship Construction Expansive Scale

Sins of a Solar Empire is an Adventure, Strategy, Real-time-strategy, Science-fiction, Exploration, Aliens, Single and Multiplayer Space Simulation developed by Ironclad Games and published by Stardock.

Key Sins Of A Solar Empire features:

Innovative Blend of Genres Seamless Space Exploration Robust Multiplayer Mode Dynamic Tactical Combat

Space Engineers is an Action-Adventure, Sandbox, Voxel-based, Space, Single and Multiplayer video game created and published by Keen Software House.

Key Space Engineers features:

Creative Freedom Multiplayer Mode Physics-based Experience Modding Community