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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.

C4: Classical Caliber Combat Contest
Secret Handshake InteractiveDeveloper
Secret Handshake InteractivePublisher
July 2025Release
🎹🖱️ Keyboard + Mouse
🕹️ Partial Controller Support
🎮 Full Controller Support
No user reviews (0 reviews)
Internal version b28 released

Version beta 28 is now available for internal testers! It will appear as \"b28_1.0\". If you are just keeping up with development from the outside. thank you for your support. Make sure to join the Discord to be a part of the conversation!

Balance

  • Reworked the Versus Sensor item

    [list]
  • Now applies it\'s reveal effect to the player closest to you in proximity, not score.

    [/*]
[/*]
  • Reworked the Remote C4 item

    • Is now called the \"Sticky Bomb\". (\"C4\" will return in another form.)

      [/*]
    • No longer has a manual detonation function.

      [/*]
    • Can now be shot with any weapon to detonate.

      [/*]
    [/*]
  • The Boombox item now grants Armor over time if you dance in it\'s area of effect, in addition to its previous effects.

    [/*]
  • Reworked the MEGA Sensor

    • No longer targets you if used in first place, instead targeting the player in second place.

      [/*]
    [/*]
  • Placement indicator is now hidden for the first 30 seconds of a match

    • Surprise! You\'re in last!

      [/*]
    [/*]
  • [/list]

    Features

    • Added occlusion-based sound effect modulation. Sounds above you and behind walls how have unique effects.

      [/*]
    • The Combat Chart (paper doll head placement indicator) now displays the outgoing source and incoming target for items.

      [/*]
    • Contest mode has received some additions.

      [list]
    • Three random gold awards will now be given out at the awards ceremony.

      [/*]
    • Extra points are now converted to Gold at the awards ceremony.

      [/*]
    [/*]
  • Online social features have been expanded.

    • Ban + kick buttons for host now require a confirmation input.

      [/*]
    • Improved readout for connection failures.

      [/*]
    • Added a game option to automatically add users to your \"Avoid\" list that you ban as a host.

      [list]
    • Note that the functionality to block players you have avoided from servers you host is default.

      [/*]
    [/*]
  • Added a player actions button to avoid a player.

    [/*]
  • Added an icon on server list entries that report a player you have avoided.

    [/*]
  • Added an icon on player list entries for players you have avoided.

    [/*]
  • Added a session settings security check that will warn players if the game thinks a server is lying about the members present.

    [/*]
  • [/list][/*]
  • AI character behavior has been improved, both in general and during Gold Events, through bug fixes and logic improvements.

    [/*]
  • Added a new Social tab to the main menu. This tab contains a list of recent players as well as listing all the players you have avoided.

    [/*]
  • Improved friendliness sound modifier, no longer adjusts pitch. Replaced with a low/hi pass filter based on sound source friendliness.

    [/*]
  • [/list]

    [ 2025-10-11 16:46:18 CET ] [Original Post]

    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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