Classical Caliber Combat Contest is the "kart racer of arena shooters" where old-school movement and weapons meet party game elements like stage hazards, comeback items and a cast of challenging NPC bots.
Wield an enormous collection of weapons against your enemies, including arena shooter favorites and totally new creations! Punchy feedback, striking visuals and unique sound effects make each of the 50+ weapons a distinct tool of mayhem. Will your favorite be the classic Rocket Launcher? Or do you prefer the overloaded power of the Shell Compactor?

Bullet weapons are well-rounded, like the adaptable Burst Rifle
Shell weapons are specialized, like the hybrid-shotgun Scrap Blaster
Voltage weapons are technical, like the precise Lightning Ray
Explosive weapons damage and push targets, like the classic Rocket Launcher
Radiation weapons possess unbelievable power, like the chaotic Bio-Blower

Each match has a five-weapon arsenal, one for each ammo slot. These weapons appear as pickups on the map, with spawn timers for stronger weapons. After the match concludes players have a short time in the Lobby to collect and play Cards, which level up, override and defend against each other to build the next match.

Duplicate Cards combine and level up, making them harder for other players to remove
Modifier cards change the game with wild rules, including Floor is Lava and Infection
Utility cards change the entire board, like clearing Modifiers or removing every top card
The rare "Mutated Mania" pack adds powerful weapon to everyone's default loadout

A cast of computer-controlled characters fight alongside players by navigating the arena, collecting pickups, and shooting weapons like a "real" human. Each of the 12 distinct characters comes with a unique appearance, skill level and text chats - NPC opponents aren't afraid to gloat about a kill! Invite the strongest bots to your Contest if you dare, as they possess incredible reflexes and aiming abilities.

Classical Caliber Combat Contest contains:
50+ powerful weapons
15 impactful Items, including the Bowling Bomb, Boombox and Versus Sensor
12 distinct NPC bots, each with a custom appearance, skill stats and chat messages
Blank "ArenaBots" available if you just want more to shoot at.
8 unique Maps, each with four layouts to accommodate different game sizes
Fan favorite Modes, including Deathmatch and Capture the Flag
Free-for-All, 2-, 3- and 4-Teams supported by all Maps and most game modes
Game-changing Modifiers like Infection and Floor is Lava
Stage hazards and interactive elements add chaos and tactics to combat
Knock players into Death Pits or Grinders for an instant kill
Touch an Electric Wall for a zap, or bounce certain Items to supercharge them
The Mutator Barrel changes based on how it is destroyed
Bullet weapon damage creates a simple, high-damage blast
Explosive weapon damage sucks in nearby players for an easy follow-up
Stage hazards also interact uniquely with the Barrel!
Additional Features
Unique comic-book vibrant visual style
Customize your ArenaBot's colors and face. See them in the Lobby, and on billboards!
Accessibility features get new players up to speed faster
The Spawn List shows when weapons and powerups are about to appear
Performance-distributed items like the MEGA Sensor help players mount a comeback
Armor Stacks increase the defenses of underperforming players
Join and invite players directly from the Steam Friends list
Share a Game Code to easily connect without being friends
Enter a Station ID to join a random online game hosted using that ID
Secret Handshake Interactive is brought to you by players like you.
Thank you.
During the October 2025 Steam Next Fest, Classical Caliber Combat Contest\'s free demo version will be regularly updated and expanded with new game content. These additions are building upon the second major demo version, after the initial public release all the way back in May \'25. This new iteration of C4 boasts improved visual fidelity, refined gameplay, and entirely new features like the Announcer.
This new version of the Demo will also include a short series of quest missions players can complete to unlock permanent access to another weapon within the demo, which we believe is rather... super.
The demo will be updated over the course of the Next Fest with the following schedule:
[olist]October 13th: Event Begins
Weapon Series 1, 2 and 3
[/*]Three Maps: Playhouse, Surveillance, Excavation
[/*]Game Mode: Deathmatch
[/*]Modifiers: Egomania, Vampirism, All You Can Eat, Backpacks, Sticky Fingers
[/*]Character Bots: Authority, Instructor
[/*][/*]October 16: Update #1
Weapon Series 4
[/*]Game Mode: Capture the Flag
[/*]Modifiers: Vitality, Shed Skin, Juggernaut
[/*][/*]October 18th: Update #2
[olist]Weapon Series 5
[/*]Map: Corrosion
[/*]Modifiers: Moon Men, Molten Tide, Infection
[/*][/olist][/*][/olist]Additionally, keep an eye out for Secret Handshake team members in multiplayer matches while the Next Fest is on! They will have a unique badge next to their names in the player list, so you won\'t miss them. Developers just might be \"hacking\" in some full game content to show off, so keep your eyes peeled! We\'re excited to see you all out there.\n\nSecret Handshake Interactive is brought to you by players like you.
Thank you.
Minimum Setup
- OS: Ubuntu 20.04
- Processor: AMD Ryzen 5 5600 or equivalent
- Graphics: Radeon RX6400 or equivalentNetwork: Broadband Internet connection
- Storage: 3 GB available space
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