Games like The Citadel on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like The Citadel are available at the bottom of the page.
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Turbo Overkill
Enter Paradise as Johnny Turbo—half-metal, half-human, all-murder machine. Clean up the streets with a chainsaw leg, 15+ weapons and your hovercar as you battle the rogue AI Syn, rival bounty hunters and cyberpunks aplenty. Apogee’s most outrageous FPS since Duke Nukem 3D. Good hunting, Sir!
Warhammer 40,000: Boltgun
Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.
Blood: One Unit Whole Blood
You carved your soul to shreds in servitude to a dark god, but false promises and betrayal were your only reward. Now you have a score to settle and it will be measured in blood! Experience the madness in one carnage-soaked package! All the gore, all the unholy war! Zombies, gargoyles, hellhounds and blood-crazed hordes of horrors await!
DOOM 64
Play the enhanced version of the original game released on the Nintendo 64 in 1997. Years have passed since you stopped Hell’s invasion of Earth. Quarantined for humanity’s safety, the UAC research facilities on Mars were abandoned and forgotten...until now.
CARNAL
CARNAL is a fast and challenging retro FPS straight from the mid '90s. The Sons of Anak are opening portals to extract Dark Matter from the "other side". Combat the possessed soldiers, the manifested demons helping them, and any inanimate objects standing in your way!
Slayers X: Terminal Aftermath: Vengance of the Slayer
So.... got what it takes to be a X Slayer?!?... 7 weapons, blood and gore, twisted music by Seepage & Psyko Syndikate, and maps where you can blow up everything. its awesome. started making it in 1998 in high school with my friend and now im 37, so i have life experience now.
Hellbound: Survival Mode
FULL GAME NOW AVAILABLE. GO GET IT! This is the Free Survival Mode for Hellbound: a '90s style First Person Shooter, made 30 years later… but just a glimpse of the full game, go check it out!
Dread Templar
Dread Templar is a fast-paced hardcore old-school FPS, combining classic 90s shooter and modern FPS elements. Unlock and combine dozens of weapon upgrades and skills, embrace the Dread Force and obliterate hordes of fiendish enemies. Become the scariest thing in hell and get your revenge!
Duke Nukem 3D: 20th Anniversary World Tour
Frag like it’s 1996 – this time with even more asses to kick! Join the world’s greatest action hero in Duke Nukem 3D: 20th Anniversary World Tour as he saves Earth once again, kicking alien ass and saving babes across the globe along the way.
DOOM Eternal: The Ancient Gods - Part One
The Ancient Gods – Part One is the first campaign expansion for the critically acclaimed DOOM Eternal.
STAR WARS™ Dark Forces (Classic, 1995)
Behind a veil of secrecy the evil Empire is creating a doomsday army - one that, if finished, will become the final cog in the Empire's arsenal of terror and domination. Your Mission? Join the Rebel Alliance's covert operations division, infiltrate the Empire.
DOOM + DOOM II
Developed by id Software, and originally released in 1993 and 1994, the definitive, newly enhanced versions of DOOM + DOOM II are available as a combined product.
Putrefaction 2: Void Walker
Putrefaction 2: Void Walker is fast-paced, hardcore, arcade FPS, inspired by old-school shooters.
Quake
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
Corpse Party: Blood Drive
Set two months after Corpse Party: Book of Shadows, Corpse Party: Blood Drive is the definitive conclusion to the long-running Heavenly Host story arc. Featuring dynamic lighting, 3D sound, detailed environments, and new gameplay systems, this is a Japanese horror experience not to be missed!
STRAFE: Gold Edition
STRAFE® is the worlds bloodiest roguelike first-person shooter! Featuring mind melting secrets and persistent gore that allows you to paint levels red with the excessive entrails of your enemies. 30+ weapons, 20+ enemies, & a red hot soundtrack.
PERISH
PERISH is a stylish 1-4 player FPS with a cross to bear. Slay hordes of creatures on the black sands of Purgatory and sell their gold-stained corpses to craven priests. Kill magnificent bosses and use the proceeds to gain entrance to Elysium, a place of cosmic revelations.
INCISION
All old-school FPS action. No Bullshit. Lots of blood & gore. Slaughter your way through nightmarish industrial mazes, transformed cityscapes and surreal alien structures to cut down the Growth in this ultraviolent, fast-paced, and merciless retro-styled first person shooter.
The Darkness II
An intense first person shooter that delivers a twisted and gripping narrative of tragedy, modern crime drama, and supernatural horror.
Fida Puti Samurai
A Retro-FPS "virtual happy place", jeopardized with a naughty bug. Traverse this action-oriented roguelite blasting waifus to uncover dirty secrets on a personal computer!
Heretic: Shadow of the Serpent Riders
In a realm corrupted by the evil magic of three brothers known as the Serpent Riders, you are a heretic. As one of the last Sidhe elves, and a capable mage, you embark on a quest for vengeance against those who slaughtered your friends, family, and entire race.
The spy who shot me™
The spy who shot me™ is a comedy retro FPS inspired by classic shooters of the 90s.
Red Eclipse
Building on over 15 years of gameplay design, Red Eclipse continues to focus on fast paced, agile, easily accessible first person shooter gameplay. For creators, the full power of the Tesseract engine is at your fingertips in the included realtime multiplayer editor.
Most played games like The Citadel on Steam
Take a look at the top games like The Citadel that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.
1. DOOM: The Dark Ages
Similarity 43% DOOM: The Dark Ages is the prequel to the critically acclaimed DOOM (2016) and DOOM Eternal that tells an epic cinematic story worthy of the DOOM Slayer’s legend. Players will step into the blood-stained boots of the DOOM Slayer, in this never-before-seen dark and sinister medieval war against Hell. DOOM: The Dark Ages is a action, fps and demons game developed by id Software and published by Bethesda Softworks. Released on May 14th 2025 has received 21,671 reviews of which 18,891 were positive and 2,780 were negative resulting in a rating of 8.5 out of 10. The game has hit the top spot as the #1 most played game like The Citadel, thanks to its 3,518 peak concurrent players over the last day.
8.5
18,891
2,780
3,518
players
2. DOOM Eternal
Similarity 52% Hell’s armies have invaded Earth. Become the Slayer in an epic single-player campaign to conquer demons across dimensions and stop the final destruction of humanity. The only thing they fear... is you. DOOM Eternal is a fps, action and gore game developed by id Software and published by Bethesda Softworks. Released on March 19th 2020 has received 206,026 reviews of which 187,807 were positive and 18,219 were negative resulting in an impressive rating of 9.0 out of 10. While seeing 2,262 players online at once in the last 24 hours, this game is currently ranked #2 among games like The Citadel based on player count.
9.0
187,807
18,219
2,262
players
3. KovaaK's
Similarity 41% Master your aim with KovaaK’s, the world’s best aim trainer. With over 200,000 scenarios, playlists and more! Embrace total customization, including a map editor and game physics. More than just a trainer, it’s a dynamic, community-driven platform that elevates your gameplay. KovaaK's is a action, shooter and simulation game developed and published by KovaaK Games. Released on April 03rd 2018 has received 35,305 reviews of which 32,776 were positive and 2,529 were negative resulting in an impressive rating of 9.1 out of 10. While seeing 1,719 players online at once in the last 24 hours, this game is currently ranked #3 among games like The Citadel based on player count.
9.1
32,776
2,529
1,719
players
4. DOOM
Similarity 53% Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression. DOOM is a fps, gore and action game developed by id Software and published by Bethesda Softworks. Released on May 12th 2016 has received 207,279 reviews of which 198,001 were positive and 9,278 were negative resulting in an impressive rating of 9.4 out of 10. With 1,590 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like The Citadel.
9.4
198,001
9,278
1,590
players
5. GoreBox
Similarity 42% GoreBox is a chaotic physics-driven sandbox where creativity meets destruction. Use the Reality Crusher to spawn, manipulate, and obliterate anything. Customize, battle with friends, roleplay, or face devious creatures. In this world, your imagination rules—and chaos is your playground! GoreBox is a gore, sandbox and violent game developed by Felix Filip and published by F²Games. Released on July 21st 2023 has received 14,504 reviews of which 13,136 were positive and 1,368 were negative resulting in a rating of 8.8 out of 10. With 509 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like The Citadel.
8.8
13,136
1,368
509
players
6. STRAFTAT
Similarity 41% STRAFTAT video game ::::::::::::::::::::: 1v1 ONLINE first person pov SHOOTER ::::::::::::::: quick rounds in 150 MAPS ::::::::::::: Including all WEAPONS and proximity chat STRAFTAT is a action, shooter and fps game developed by Sirius Lemaitre and Leonard Lemaitre and published by Lemaitre Bros. Released on October 24th 2024 has received 8,446 reviews of which 8,149 were positive and 297 were negative resulting in an impressive rating of 9.3 out of 10. With 503 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like The Citadel.
9.3
8,149
297
503
players
7. Hotline Miami 2: Wrong Number
Similarity 44% Hotline Miami 2: Wrong Number is the brutal conclusion to the Hotline Miami saga, set against a backdrop of escalating violence and retribution over spilled blood in the original game. Hotline Miami 2: Wrong Number is a great soundtrack, gore and pixel graphics game developed by Dennaton Games and published by Devolver Digital. Released on March 10th 2015 has received 66,634 reviews of which 62,741 were positive and 3,893 were negative resulting in an impressive rating of 9.3 out of 10. With 437 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like The Citadel.
9.3
62,741
3,893
437
players
8. Wolfenstein: The New Order
Similarity 49% Wolfenstein®: The New Order reignites the series that created the first-person shooter genre. Wolfenstein offers a deep game narrative packed with action, adventure and first-person combat. Wolfenstein: The New Order is a fps, action and alternate history game developed by MachineGames and published by Bethesda Softworks. Released on May 19th 2014 has received 56,469 reviews of which 51,691 were positive and 4,778 were negative resulting in an impressive rating of 9 out of 10. With 417 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like The Citadel.
9
51,691
4,778
417
players
9. Hotline Miami
Similarity 42% Hotline Miami is a high-octane action game overflowing with raw brutality, hard-boiled gunplay and skull crushing close combat. Hotline Miami is a great soundtrack, violent and action game developed by Dennaton Games and published by Devolver Digital. Released on October 23rd 2012 has received 106,657 reviews of which 103,599 were positive and 3,058 were negative resulting in an impressive rating of 9.6 out of 10. With 404 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like The Citadel.
9.6
103,599
3,058
404
players
10. Easy Red 2
Similarity 48% Fight massive battles between infantry, armored vehicles, tanks, cannons and planes. Realistically manage your weapons and equipment, coordinate with your squad, and tactically navigate large, fully destructible open world maps. Experience the WW2 in singleplayer, PVP and Co-Op. Easy Red 2 is a world war ii, action and singleplayer game developed by Marco Amadei and published by Corvostudio di Amadei Marco. Released on January 06th 2022 has received 8,394 reviews of which 7,601 were positive and 793 were negative resulting in a rating of 8.8 out of 10. With 346 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like The Citadel.
8.8
7,601
793
346
players
Best deals on games like The Citadel on Steam
Discover fantastic savings with the best discounts on a variety of games like The Citadel available on Steam right now, updated on June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like The Citadel.
1. Prodeus
Similarity 69% Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware. Prodeus is a boomer shooter, fps and retro game developed by Bounding Box Software Inc. and published by Humble Games. Released on September 23rd 2022 has received 7,556 reviews of which 7,021 were positive and 535 were negative resulting in an impressive rating of 9 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like The Citadel.
9
7,021
535
-99%
24.99€
0.49€
2. Serious Sam VR: The Last Hope
Similarity 49% Serious Sam is back! And this time it's REAL! Serious Sam VR: The Last Hope is a vr, action and gore game developed by Croteam VR and published by Devolver Digital and Croteam. Released on September 20th 2017 has received 1,395 reviews of which 1,180 were positive and 215 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 98% discount, this game is now the #2 best deal in games like The Citadel.
8.1
1,180
215
-98%
28.99€
0.58€
3. F.E.A.R. 3
Similarity 42% F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline. F.E.A.R. 3 is a fps, horror and co-op game developed by Day 1 Studios and published by Warner Bros. Interactive Entertainment. Released on June 21st 2011 has received 12,758 reviews of which 9,070 were positive and 3,688 were negative resulting in a rating of 7.0 out of 10. Thanks to its incredible 98% discount, this game is now the #3 best deal in games like The Citadel.
7.0
9,070
3,688
-98%
19.99€
0.45€
4. Necromunda: Hired Gun
Similarity 46% Become a Hired Gun. The money’s good, the dog’s loyal, and the gun’s reliable. Embark on a fast-paced, violent, and thrilling FPS set in the darkest reaches of Warhammer 40,000’s most infamous hive city. Necromunda: Hired Gun is a action, warhammer 40k and adventure game developed by Streum On Studio and published by Focus Entertainment. Released on May 31st 2021 has received 7,422 reviews of which 4,864 were positive and 2,558 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for games like The Citadel.
6.5
4,864
2,558
-98%
39.99€
1.15€
5. GARAGE: Bad Trip
Similarity 46% Drug dealer Butch slays hordes of living dead to save a girl. Garage is a bloody topdown shooter inspired by VHS era B-movies. GARAGE: Bad Trip is a gore, action and violent game developed by Zombie Dynamics and published by tinyBuild. Released on July 06th 2018 has received 775 reviews of which 513 were positive and 262 were negative resulting in a rating of 6.4 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like The Citadel.
6.4
513
262
-98%
14.79€
0.39€
6. Hellbound
Similarity 77% Classic First Person Shooter style game. Like the good old days. An action game focused on speed, gore, guns, and metal music. Inspired by the 90s’ classics with modern visuals and audio! Hellbound is a action, indie and gore game developed and published by Saibot Studios. Released on August 04th 2020 has received 1,424 reviews of which 916 were positive and 508 were negative resulting in a rating of 6.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like The Citadel.
6.3
916
508
-98%
14.79€
0.42€
7. The Darkness II
Similarity 54% An intense first person shooter that delivers a twisted and gripping narrative of tragedy, modern crime drama, and supernatural horror. The Darkness II is a fps, action and gore game developed by Digital Extremes and published by 2K. Released on February 09th 2012 has received 19,772 reviews of which 18,121 were positive and 1,651 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 97% discount, this title has earned the #7 position in the best deals for games like The Citadel.
9.0
18,121
1,651
-97%
29.99€
1.07€
8. Duke Nukem 3D: 20th Anniversary World Tour
Similarity 56% Frag like it’s 1996 – this time with even more asses to kick! Join the world’s greatest action hero in Duke Nukem 3D: 20th Anniversary World Tour as he saves Earth once again, kicking alien ass and saving babes across the globe along the way. Duke Nukem 3D: 20th Anniversary World Tour is a fps, classic and action game developed by Nerve Software, Gearbox Software and LLC and published by Gearbox Publishing. Released on October 11th 2016 has received 5,684 reviews of which 4,802 were positive and 882 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 97% discount, this title has earned the #8 position in the best deals for games like The Citadel.
8.2
4,802
882
-97%
19.99€
0.76€
9. Dread Templar
Similarity 56% Dread Templar is a fast-paced hardcore old-school FPS, combining classic 90s shooter and modern FPS elements. Unlock and combine dozens of weapon upgrades and skills, embrace the Dread Force and obliterate hordes of fiendish enemies. Become the scariest thing in hell and get your revenge! Dread Templar is a boomer shooter, fps and retro game developed by T19 Games and published by Fulqrum Publishing. Released on January 26th 2023 has received 1,509 reviews of which 1,256 were positive and 253 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 97% discount, this title has earned the #9 position in the best deals for games like The Citadel.
8.0
1,256
253
-97%
19.99€
0.71€
10. Valfaris
Similarity 49% Set in a far corner of space, Valfaris is a heavy metal infused 2D action-platformer and the next game from the team behind Unity Awards finalist, Slain: Back From Hell. Brutal combat. Deadly enemies. Stunning pixel art. Savage soundtrack. Get ready to rip the galaxy a new wormhole. Valfaris is a action, indie and gore game developed by Steel Mantis and published by Silver Lining Interactive. Released on October 10th 2019 has received 2,534 reviews of which 2,093 were positive and 441 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 97% discount, this title has earned the #10 position in the best deals for games like The Citadel.
8.0
2,093
441
-97%
20.99€
0.71€
Free games like The Citadel on Steam
Check out this fantastic list of free-to-play games like The Citadel you can enjoy on Steam right now, updated on June 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like The Citadel.
1. STRAFTAT
Similarity 41% STRAFTAT video game ::::::::::::::::::::: 1v1 ONLINE first person pov SHOOTER ::::::::::::::: quick rounds in 150 MAPS ::::::::::::: Including all WEAPONS and proximity chat STRAFTAT is a action, shooter and fps game developed by Sirius Lemaitre and Leonard Lemaitre and published by Lemaitre Bros. Released on October 24th 2024 has received 8,446 reviews of which 8,149 were positive and 297 were negative resulting in an impressive rating of 9.3 out of 10. With 503 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like The Citadel.
9.3
8,149
297
503
players
2. Combat Arms: the Classic
Similarity 47% Combat Arms: the Classic is a multiplayer game, free-to-play modern first-person shooter. The game is a relaunch of Combat Arms in its glory days delivering gamers a nostalgic high-quality FPS with an extensive arsenal of weapons. Combat Arms: the Classic is a free to play, action and fps game developed by VALOFE and NEXON and published by VALOFE. Released on July 14th 2020 has received 1,927 reviews of which 1,247 were positive and 680 were negative resulting in a rating of 6.3 out of 10. The game currently holds the #2 spot among the most played free games like The Citadel.
6.3
1,247
680
79
players
3. PAPERHEAD EP.0
Similarity 47% In this cute cardboard world, something went horribly wrong... You wake up in a prison cell. A strange voice calls to you from the depths of dark corridors covered in runic symbols and blood. Reload your trusty shotgun and find out... WHY WOULD CARDBOARD... BLEED? PAPERHEAD EP.0 is a fps, fast-paced and singleplayer game developed by Paperhead te4m and published by HypeTrain Digital. Released on November 14th 2024 has received 1,842 reviews of which 1,717 were positive and 125 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #3 spot among the most played free games like The Citadel.
8.9
1,717
125
44
players
4. AQtion
Similarity 50% Get ready for intense, skill-based FPS action with AQtion! Featuring the best of Action Quake 2, enjoy fast-paced combat, realistic weapons, and thrilling multiplayer battles. Dominate the arena now on Steam! AQtion is a free to play, old school and action game developed by AQ2World Team, TNG Team and A-Team (Akimbo) and published by AQ2World Team. Released on June 01st 2022 has received 424 reviews of which 336 were positive and 88 were negative resulting in a rating of 7.5 out of 10. The game currently holds the #4 spot among the most played free games like The Citadel.
7.5
336
88
12
players
5. RED HOT VENGEANCE
Similarity 49% He had one rule: No killing women or children. When a hitman is double-crossed by his employer, he brings forth a night of carnage and bloodshed. RED HOT VENGEANCE is a free to play, violent and gore game developed and published by Bros Before Giraffes. Released on July 11th 2019 has received 3,428 reviews of which 3,291 were positive and 137 were negative resulting in an impressive rating of 9.2 out of 10. The game currently holds the #5 spot among the most played free games like The Citadel.
9.2
3,291
137
9
players
6. Chex Quest HD
Similarity 45% Travel to the remote planet of Bazoik to free galactic citizens from the evil cereal-eating Flemoids! Venture deep into the caverns of Bazoik, using an array of "zorching" devices to send these nefarious foes back to their home dimension! Chex Quest HD is a free to play, action and indie game developed by Team Chex Quest HD and Flight School Studio and published by General Mills. Released on May 18th 2020 has received 2,012 reviews of which 1,612 were positive and 400 were negative resulting in a rating of 7.7 out of 10. The game currently holds the #6 spot among the most played free games like The Citadel.
7.7
1,612
400
8
players
7. Shadow Warrior Classic (1997)
Similarity 53% Strap on your combat sandals...Lo Wang is coming to the Land of the Rising Sun to turn out the lights. Experience total blood immersion. If you can't touch, kill or drive something...then blow it away! Whether you're wielding shurikens, an Uzi, or a freshly plundered Guardian head...you've got your work cut out for you. Shadow Warrior Classic (1997) is a fps, classic and free to play game developed by 3D Realms and published by Devolver Digital. It has received 1,471 reviews of which 1,366 were positive and 105 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #7 spot among the most played free games like The Citadel.
8.8
1,366
105
5
players
8. Quake II RTX
Similarity 51% Quake II RTX is a cutting-edge, ray-traced reimagining of id software’s old school classic, by NVIDIA’s Lightspeed Studios. Global lighting effects, including realistic reflections, refraction, shadows, ambient occlusion and global illumination are a result of the path-traced simulation of light. Quake II RTX is a free to play, action and fps game developed by Lightspeed Studios™ and published by NVIDIA. Released on June 06th 2019 has received 4,590 reviews of which 4,009 were positive and 581 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #8 spot among the most played free games like The Citadel.
8.4
4,009
581
5
players
9. Shrine
Similarity 47% Shrine is a retro FPS game about a skinless dude killing eldritch monstrosities with his nightmarish arsenal. Shrine is a action, fps and retro game developed and published by Scumhead. Released on April 03rd 2020 has received 892 reviews of which 822 were positive and 70 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #9 spot among the most played free games like The Citadel.
8.7
822
70
2
players
10. Red Eclipse
Similarity 53% Building on over 15 years of gameplay design, Red Eclipse continues to focus on fast paced, agile, easily accessible first person shooter gameplay. For creators, the full power of the Tesseract engine is at your fingertips in the included realtime multiplayer editor. Red Eclipse is a free to play, indie and action game developed by Quinton Reeves, Lee Salzman and Sławomir Błauciak and published by Quinton Reeves. Released on December 19th 2019 has received 809 reviews of which 698 were positive and 111 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #10 spot among the most played free games like The Citadel.
8.1
698
111
2
players