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Watch trailer on Steam ↗Big Byz Wars
Tommy Gun Walrus · Published by Tommy Gun Walrus Studio
Content notice: The game contains violence and gore
7 user reviews — 86% positive (7 reviews) · 59 achievements
Last updated 27 Sept 2026
Big Byz Wars is a sci-fi 2.5D side-scroller set in a mysterious future where flying cities provide refuge.As a mercenary, defend the largest flying city, Byzantium, facing fierce enemies.With cool graphics & immersive gameplay.The game takes you on an action-packed journey through a dangerous world.
PEGI 12
£10.99
Lowest price we've ever recorded
View on SteamPrices can lag the live Steam store — always confirm before buying.
£10.99
Price history
3 Sept 2026Lowest: £10.99 · Highest: £10.9911 Oct 2026
Action, Indie · 2023 · More £5 - £15 games
Navigate Byzantium’s floating cityscapes as a mercenary in Big Byz Wars, a thrilling 2023 indie action game where your skills decide the fate of flying metropolises amidst relentless threats.
About this game
Dynamic Combat and Enemy Variety
Engage in intense combat encounters with a wide range of enemies, each with its own distinct behaviors and attack patterns. Utilize an arsenal of different weapons to adapt to various combat situations and unleash devastating combos on your foes.
Randomized Gameplay
Prepare for unpredictable and thrilling gameplay with randomized elements. Enemies spawn with random weapons, and their locations vary, ensuring that each playthrough offers a fresh and unique challenge. No two encounters will be the same.
Choice-Driven Cyberpunk Story
Immerse yourself in a deep and engaging cyberpunk narrative filled with over 40,000 words of rich storytelling. Your decisions and dialogue choices throughout the game have real consequences, leading to 30 different game endings. Shape the story and discover the true extent of your influence.
Voiceover and Secrets
Experience the game's captivating world through its expertly crafted voice acting, which adds depth and authenticity to every character and dialogue, with nearly 3.5 hours of dialogue fully voiced. Discover secret pickups in each level that unlock additional dialogue branches, adding layers of depth to the intriguing plot.
Dozen Unique Levels
Explore a variety of meticulously crafted levels, each with its distinct challenges, environments, and secrets waiting to be uncovered. From neon-lit cityscapes to shadowy back alleys, the diverse settings will keep you engaged from start to finish.
2.5D Sidescroller with Depth Aiming
Experience a fresh take on the classic sidescroller genre with our unique mechanic. Navigate the multi-layered environments and take down enemies with precision and strategy, adding depth and complexity to the fast-paced combat.
Cyberpunk Style and Synthwave Music
Immerse yourself in a visually stunning cyberpunk world brought to life by Unreal Engine. The stylish aesthetics are complemented by an electrifying synth-wave soundtrack that sets the mood for your epic adventure.
Regular Updates and Future Support
We are committed to providing ongoing support and updates for the game. Expect new features such as language support, gamepad compatibility, and more in the future to enhance your gameplay experience.
Wishlist, Follow...
System Requirements
Will my PC run this? →Minimum
Minimum:
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: core i7 or faster
- Memory: 8 GB RAM
- Graphics: GeForce 2060
- DirectX: Version 12
- Storage: 17 GB available space
Recommended
Recommended:
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: ryzen 3700 or faster
- Memory: 16 GB RAM
- Graphics: GeForce 3000 series or faster
- DirectX: Version 12
- Storage: 17 GB available space
Supported Languages
English*, French, German, Spanish - Spain, Russian, Ukrainian, Polish
*languages with full audio support
*languages with full audio support
Latest news
Patch NotesOfficial
Update notes ver. 1.1
Added Polish localization; Fixed 'Seaport' level low initial health level bug; Other minor improvements;Read full article on Community Announcements (Tommy Gun Walrus)AnnouncementsOfficial
Game version 1.0
New Features and Changes: Added localization to 5 languages: Ukrainian, Espanol, French, Russian, and Deutch (failed to add Simplified Chineses due to some weird Unreal Engine bug); Added 'Disclaimer' for localization ("... translations in this game have been generated using automated translation tools"); Changed font to one that is compatible with 'Cyrillic' alphabet; Added UI for selecting localization in 2 places: main menu and game pause menu; Added game logic (save load localization selected by the user); Added the rest (~7k symbols) of voice-over for endings; There are a few minor changes in levels; Thank you for your continued support!Read full article on Community Announcements (Tommy Gun Walrus)Patch NotesOfficial
Release notes: version 0.99.4 Voice-over patch
Improvement: endings voice-over: ~10k symbols in 50 segments; few other fixes;Read full article on Community Announcements (Tommy Gun Walrus)Patch NotesOfficial
Release notes: version 0.99.3 'Endgame' patch
Added 'Endgame' feature. 1. The user could enable: - protagonist health X5 modifier; - enemies health X0.3 modifier; - each pickup item (ammo, health) capacity X5 modifier; 2. UI for endgame in the 'options' menu; 3. Logic for enabling endgame mode (each ability could be enabled or disabled separately); 4. Notification text animation in-game HUD for the availability of endgame mode (during the reading of final dialogue); 5. Added 'Skip to key decision' point option in relevant dialogues; Dialogues improvements for the 'Epilogues Repository' level: 1. Added new 'avatar'/narrator (UI-level); 2. Voiceover for that narrator: (overall progress - 75%); 3. Few additional UI story-line pictures/illustrations (overall progress - 20%);Read full article on Community Announcements (Tommy Gun Walrus)Patch NotesOfficial
Patch Notes: Version 0.99.2 'End of Patching Combo'
- Level 3: minor light tweaks in dark areas; - Level 8: added 1 checkpoint after playing; - Level 9: 1'st dialogue minor fix; - Level 10: a tweak in flying plasma trajectories, and enemies' health; lowered Cain requirements for the last dialogue branch; All annoying bugs and 'blockers' are fixed now. In an ideal world, the game release version should be at least on that level! But hey! Just did my best to fix it asap. A few minor 'todo' still could wait for next weekend. So I will stop this new nightly builds 'patching combo' and proceed with 1 update per 1-2 weeks updates. Feel free to give immediate feedback in case of any annoying bugs/blockers. CheersRead full article on Community Announcements (Tommy Gun Walrus)
