FPS or First-Person Shooter games have their roots in PC gaming. Titles like Call of Duty, Counter-Strike, and Doom Eternal have paved the way for the immense popularity of the genre over the last couple of decades. But as the mobile platform became more capable and diverse, the FPS games steadily made their way to it making it enjoyable even without a stacked PC. Here is a list of the best FPS for android, and iOS that you can play without money.

Top 10 Open Source FPS Games for Android, iOS

Mask Gun

Mask was released by SuperGaming studios in 2019. The game currently has a 4.1 rating on the play store with a 159 MB download size.

If customization and options are a thing, then Mask Gun is definitely the master of it. The game offers some of the highest customizations a player can think of. From skins to guns to characters themselves, everything can be customized as per the choice of the player. There are 1v1 as well as 5v5 battle options for players to choose from. The game can be played for free on both iOS and Android platforms.

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Infinity Ops: Cyberpunk FPS

Developed by the same studio as World War Heroes, the Infinity Ops: Cyberpunk FPS was first released in 2018. The game has a 4.3 rating on the play store and a 443 MB download size.

The game features a battle royale-like setup with 4 different options. There are tons of roles that the players can take up in this game. But perhaps the most exciting feature of the game is the Cyberpunk-like setup. Even mobile players can now have the cyberpunk-like experience thanks to the game design of Infinity Ops.

Call of Duty Mobile

Call of Duty is often considered the game that started the fps frenzy. Now the game has made its way to the mobile platform in 2019 thanks to Activision and Unity Engine. The game has a 4.2 rating on the play store with a 2.3 GB download size.

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The COD Mobile simplifies the PC gaming experience of different COD renditions seen over the years. Rather than following a single storyline like the PCs, the mobile version brings PVE, sniper, and battle royale simulation to the players. The graphics and the controls are similar to the PCs so players can expect an adrenaline-filled shooting run with this one. The game is available for free to download with in-app purchases on both Android and iOS platforms.

World War Heroes

World War Heroes is a relatively new name in the FPS genre and was exclusively developed for the mobile platform by Azure Interactive. The game was released in 2017 and has a 4.4 rating on the play store. It has a 1.3 GB download size but that varies from device to device.

The online game was set in World War II. Players will team up for different modes like Defence HQ or Point Capture. There are different areas and setups that make this game both equal parts challenging and exhilarating. The game is available free to download on both Android and iOS platforms. 

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Guns of Boom

Guns of Boom was developed by Game Insight in 2017. The game has a 3.6 rating on the play store with an 892 MB download size.

While most FPS games take a real-life approach, Guns of Boom has caricature-like playable characters. The game can be played in three different modes on ten maps. Players can buy skins and other upgrades with in-game coins which are also offered as part of in-game purchases. The game is available free to play on both Android and iOS platforms.

N.O.V.A Legacy

N.O.V.A Legacy has been developed by Gameloft SE. The game was released in 2017 and has an initial download size of 45 MB. The additional data gets downloaded in-game. The game currently holds a 4.0 rating on the play store.

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The N.O.V.A Legacy might remind anyone of the PC gameplay of Modern Combat or COD. There is a battle royale option like most other mobile FPS games but the core focus here is the story-based gameplay. Players will have to succeed through levels to find out who the ultimate enemy is.

Modern Strike Online: PvP FPS

Modern Strike Online: PvP FPS  has been created by Azure Interactive, the same studio that made Infinity ops. The game had its initial release in 2017. It currently holds a 4.3 rating on the play store with a 1.2 GB download size.

The game is somewhat similar to the ones seen from Azure Interactive. Players will play in special ops scenarios. The game can be played in the multiplayer setting as well. The battle royale has several categories and maps to choose from. Overall, this game brings the usual rush of FPS games in high definition and engaging gameplay. The game is free to play on Android and iOS platforms.

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Critical Ops

Critical Ops is the product of Critical Force Studio. The game was initially released in 2015 and currently has a 4.2 rating on the play store. The download size of the game is 710 MB.

The game brings a mix of COD and Fortnite to the players in this action-packed FPS enigma. Here the player will get to experience 4 different modes set across 15 different maps. The end goal here is pretty simple, the player with the highest kill is the winner. The game is available free to download on both Android and iOS platforms. There are also added app purchase options.

Hitman Sniper

Hitman Sniper was released on Square Enix in 2014. The game currently has a 4.3 rating on the play store with a 48 MB download size.

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The game is a move away from the traditional combat games and instead takes the sniper route. Here the player will take on the charge of the namesake character in Montenegro. The mission is to kill various stakeholders in crime as outlined by the Syndicate. It makes for an incredible sniping experience as players get an in-depth taste of the character. The game is exclusively available on the play store for 0.99 dollars.

Modern Combat 5: mobile FPS

The list won’t be complete without including Modern Combat 5. Released in 2014, Modern Combat 5 Mobile was developed by Gameloft SE. The game currently has a 4.3 rating on the play store with 53 MB of initial download size.

The game introduces two distinct plays – the battle royale and the story mode. The story mode will take the players through different parts of Venice and Tokyo as the players fend off the enemies. Whether it’s the goose bumping BGM or the high graphics combat sequence, the game is sure to hook anybody. The game can be played for free on both iOS and Android platform

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Final Thoughts

So far, we have discussed the top 10 open sources FPS games for android and iOS phones. FPS games have reached their pinnacle on mobile gaming platforms. Today there are tons of titles to choose from on both the leading mobile platforms. As mobile platforms and devices become more power-packed, it's only normal that more and more heavy FPS games will make their way to handheld gamers.