Top 5 Sci-Fi Blockchain Games to Play and Earn in 2025

Explore the Best Sci-Fi Blockchain Games with Real Earning Power

The Web3 Sci-Fi Blockchain Games are taking the gaming world to a new level in 2025. These games are not merely for entertainment but they allow the players to receive the real rewards, in-game assets and interaction with other players. With the advanced Web3 technology, players can now own what they win or build in the game. 

For those who enjoy space adventures, robots, battle arenas so these games are something you are searching for.

Here are the Top 5 Sci-fi Blockchain Games to know more about- how to play them, on which platforms they are available, and what makes them unique. These games are entertaining, futuristic, and full of NFT characters, weapons, and land players can genuinely own.

1. Valhalla 

Valhalla is a turn-based combat game that's based in a Norse-themed sci-fi universe. It's a part of the Floki ecosystem and has distinctive NFT warriors known as "Veras." Players take part in futuristic arena combat, employing strategic attacks, abilities, and NFT weapons.

• Platform: Browser + PC (Windows)

• Blockchain: Ethereum (through Floki ecosystem)

• Free to Play?: Free but partially

And the characteristics which make this game unique and top 1 in Sci-fi gaming world is players not just only play - but they own the Veras. They can upgrade them, sell them or trade with other players. Since the game is on blockchain, it is all secure, open and yours to keep forever. 

This game also includes some of the famous characters and weapons with unique strength. 

Famous Character: Fire Warden - A powerful Vera with plasma attacks that set enemies ablaze.

Special Weapon: Frostbite Axe - Slows down enemies while inflicting ice damage. An elite NFT collectible.

How to Play Valhalla:

• Visit:  https://valhalla.game 

• Connect MetaMask or Floki-supported crypto wallet.

• Select or mint your Vera (some are free trials).

• Join PvP battles or challenges.

• Collect Floki tokens, win rare items, and level up your warrior.

Source: Valhalla

2. Space Hunters – Loot, Shoot, and Earn

Space Hunters is a third-person shooter in space. It's Destiny + Web3. You're a bounty hunter, exploring alien planets to complete tasks, blast enemy bases, and gather NFT loot.

Tokens are earned by players by completing missions or by selling unique items. You can play solo or join friends for co-op space raids.

• Platform: PC & Mac (Mobile coming soon)

• Blockchain: Polygon

• Free to Play? Yes, with optional NFT gear 

Famous Character:

Captain Elira - A sneaky Mars sniper with her plasma rifle and invisibility cloak.

Special Weapon:

Nova Cannon - A high-damage energy gun with area damage that can be traded very easily as an NFT.

How to Play Space Hunters:

• Visit the official website and register.

• Link your Polygon wallet (MetaMask or WalletConnect).

• Select your hunter or begin with a default avatar.

• Play missions, harvest resources, conquer alien foes.

• Sell your NFT equipment on OpenSea or the in-game store.

Source: Space Hunters on Steam

3. Off the Grid 

Off the Grid is World’s First Free-to-play extraction game, high-octane battle royale FPS in a grim cyberpunk setting.  Directed by Neill Blomkamp (creator of District 9 science-fiction action film), this AAA-rated game mixes narrative-driven missions with PvP action for up to 150 players.

What sets it apart is its blockchain spin. All your gaming skins, guns, and equipment are NFTs - so you can purchase, sell, and own them outright.\

• Platform: PC, PS5, Xbox Series X

• Blockchain: Avalanche

• Free to Play?- Yes

Well-known Character:

Knox – A cybernetic freedom fighter with hacking abilities and speedy parkour.

Special Weapon:

Pulse Blade – An energy sword that shatters shields and cracks enemy computer systems.

Off the Grid Gameplay:

• Download the game on Steam, Epic Games, or your console store.

• Sign in and connect your Avalanche-compatible wallet (optional).

• Join PvP battle royale matches or story-driven missions.

• Win matches, earn NFTs (skins, weapons), and trade them freely.

Source: Off the Grid

4. Sol451 

Sol451 is a survival strategy game set in a post-apocalyptic world. You are one of the last few "Flamewatchers" - surviving on a burning planet with limited oxygen, explosive ground, and lethal wildlife. Building shelters, finding rare materials, and crafting objects to survive is the focus of the gameplay. 

Any tool, shelter, or weapon you build can be minted as an NFT asset.

Platform: Browser-based (Mobile coming soon)

Blockchain: Solana

Free to Play? Free to start, NFTs optional

Celebrity Character of the Game is Ember – A fire-based survivalist equipment user who comes to her and the colony's defense.

Special Weapon: Heatwave Generator – A flame-shield device carried in hand that drives back savage mutants.

How to Play Sol451:

• Sign up on the Sol451 official website.

• Install your Phantom wallet (for Solana).

• Start your journey with a basic shelter and oxygen supply.

• Zone cruise, resource harvest, and gear crafting.

• Create NFT tools or trade with other players for exotic minerals.

Source: Sol451

5. Astranova 

Astranova is an open-world space RPG based on Web3. In this game players can travel to planets, battle alien life forms, construct your own space station, and even own virtual land.

The game is quest-driven, discovery-based, and powered by an unusual economy using NFTs. Players can purchase and sell land, suits, drones, and even establish their own in-game stores.

• Platform: PC (through Epic Games Store)

• Blockchain: Arbitrum

• Free to Play? Yes

Famous Character:

Kiro X – A jet booster-equipped bounty hunter with a triple-barrel plasma gun.

Special Weapon:

Dark Core Drone – A drone that damages enemies and picks up loot on missions.

How to Play Astranova:

• You can Download this game from the Epic Games Store.

• Firstly you have to Create your account and link an Arbitrum wallet.

• Select your initial planet to settle on.

• Take on missions, explore old broken spaceships, or dig for rare materials.

• Purchase/sell NFT items such as equipment, drones, or land on in-game marketplaces.

Source: Astranova

Blockchain Games are more than just a fad - they're a new gaming paradigm. Rather than spending cash and losing it, you earn rewards and have control over your in-game assets. Offers Top Player Benefits like actual ownership, play to earn facilities, a secure system, tradable NFTs and most of the games are player-controlled (DAO models).

No matter whether you're a fan of Norse battles, alien missions, or surviving on poisonous planets, sci-fi Blockchain Games transport you into vibrant, immersive worlds where you don't simply play - you own them. They're not only enjoyable, but they're future-proof, and they put the power back in gamers' hands.