Unlike any other types of games, realism is optional in the Sci-fi genre. Here the sky's the limit with game producers and they get immense options to shape the fictitious worlds. Whether it’s contained within a foreign planet or entire solar system, players are treated with unexpected consequences as they venture through the cosmos, encountering new technologies and life-forms. There is no reason why this cannot be enjoyed over the phone. Here are the best space exploration and Sci-Fi games for Android/IOS. Top Free Space theme based games for Android and IOS Downloads in 2021 Galaxy on Fire 2 HD: If this title has led you to feel a little distressed, then it has been named well. Galaxy on Fire is a high resolution mobile game that involves travelling through space, participating in both combat and training. The game is rated extremely well on the Google Play Store and is described as the benchmark for all other sci-fi mobile games to follow. A strong understanding of the game’s plethora of ships and items will ensure that each player gets a unique, but equally robust experience. Players will primarily be flying their plane from a third person view and the sheer vastness of space during your travels is surprisingly immersive for a mobile game. The franchise functions similarly to other contemporary games, putting up downloadable content (DLC) for all who are itching for the next step. This game is definitely worth a try, and it being free to play only sweetens the deal! Read Best Low-spec PC Games for Laptops, Low-end PCs Green The Planet Bringing life to unknown planets is literally the name of the game. The game prides itself with retro, pixelated graphics and is by no means a graphically demanding game. Despite its name, creation of new life is not supposed to be done through gardening. According to the game rules, you have to equip yourself with a weapon and destroy enough comets until green starts to sprout and alien creatures help you on your mission. The game is level based, with a seemingly endless loop that will be perfect for those squeezing in a few minutes during his or her downtime. The game is free to play and a pleasure for more casual audiences. Read Best Mountain Climber Games for Android and IOS N.O.V.A Legacy Though being a mobile game, N.O.V.A Legacy certainly looks like it can match the quality of sci-fi shooters such as Halo and Destiny in relation to handheld devices of course. Its graphics are stellar and the sheer amount of weapon and map options can truly be an alluring option for more dedicated gamers on the mobile platform. The plot isn’t complicated, and it doesn’t have to be. Players will serve as a N.O.V.A soldier and the goal is to simply defeat the aliens. Levels and map terrain will change as you progress, but it certainly is a site to behold as each environment is vastly different from the last. Much like other shooters, the game offers both offline and online modes, making it a flexible title anyone can get their hands on if they are invested enough. The best part is this console-like experience is free to play and definitely worth a try. Read  Best PC Games in 2021 with the most realistic graphics Gravity Rider It’s difficult to top the idea of riding motorcycles in space. Gravity Rider splashes in the comfortable familiarity of the racing genre and introduces players to strange foreign planets where people will race on unconventional terrain that is often booby trapped with explosives and other lethal obstacles. Sticking true to its sci-fi roots, the bikes players get to ride are high-tech motorcycles that hover like bikes tend to do in movies. While the controls are relatively simple to grasp, the map can prove to be quite a challenge to the unprepared and will certainly cost you the race if you are not quick on your feet. This game is free to play. Read Best Flight Simulator Games for Android/IOS Space Marshals 3 A refreshing take on an action game, Space Marshals is played in a top-down view where gamers can have a good sense of what’s going on in the thick of battle. The game emphasizes tactical combat and favors stealth and strategy with the assistance of a robust selection of gear to choose from. Players will have access to 20 different missions with 70 weapons to choose from. Space Marshals is more of a skirmishing game than an open field war, but the mix of customization, tough enemies and a seemingly infinite inventory will keep you glued to your screen for hours. This game is free to play. Read  Best Horror Games for Android, IOS Shadowgun Legends Shadowgun Legends is definitely a direct competitor to N.O.V.A Legacy and that’s not necessarily a bad thing. This title focuses on more casual-friendly features such as emotes, armor and story-based missions. It is action packed and is another impressive addition to the list of mobile games that can be mistaken for console, and even PC games. This Sci-Fi game is a treat to play with friends as the multiplayer options does more than hold its own. However, the in-game purchases required for some gear could be a deterrent to some. If you are eager to refine your first person shooter skills, this free to play title would be a good entry point. Read  PUBG New State Alpha Test Gameplay: Things we need to know Among Us This game took off in 2020 and became one of the most watched games of all time. Rather than fighting mutated aliens, cosmic threats or warriors with futuristic technology, you’ll be doing regular ship-maintenance tasks, but with the risk of being killed off by one of your own. This murder mystery game is a simple concept, but has by far one of the easiest entry points for non gamers to this day. Discussing the identity of the murderer with people online or among friends asks for a lot for the average player, but if confidence is not an issue for you, Among Us can be relatively addictive. This game is free to play and a must for novice and veteran gamers alike. Read  Best Survival Games for Android/IOS