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Game guide

Combat Arena — First steps when you start out

[DUELS] Combat Arena
Atomic Horizon, Playing 1.8K, Rating 92.9%
Creator Atomic Horizon
Playing 1.8K
Rating 92.9%
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About

Overview

Combat Arena is a fast-paced arcade FPS developed by Atomic Horizons, where you fight other players across arenas inspired by locations around the world to earn coins and glory. This guide covers how to get started, earn coins, unlock weapons, use the rewards screen, and improve your performance in matches.

What is on this page

Contents
01

First steps when you start out

Step
In short Reaching 40 kills plus one match win unlocks the rewards features you will need going forward.

When you first load in, work through the tutorial to get the basics of movement and shooting down. After that, jump into matches and focus on getting kills — reaching 40 kills and winning at least one match unlocks the Rewards screen and everything tied to it. Once those conditions are met, tap the Rewards icon at the bottom of the screen to collect what you have earned.

  1. Complete the tutorial this is where you learn aiming, movement, and reloading before facing real opponents.
  2. Join matches and start earning kills the 40-kill milestone is your first major unlock gate.
  3. Win one match focus on kills to pile up points, but keep an eye on whatever the win condition is for that mode.
  4. Open the Rewards icon once both conditions are met, head to the icon at the bottom of the screen to claim your rewards.
  5. Invite a friend bringing someone new to the game earns you the Ambassador reward when they join.
Ask on the board
02

How coins and weapons work

Summary
In short Kills and wins steadily fill your coin total, and spending those coins in the shop on a weapon that suits your style is the main progression loop.

Every kill you land and every match you win adds coins to your total. Those coins are the main currency for unlocking new weapons in the shop. Weapons differ in recoil, range, and reload speed, so try a few before committing to one.

Coins earned from kills and match wins during normal play.
Weapon variety each gun has different recoil, range, and reload characteristics.
Crates opening them gives a chance at legendary skins and more, not available in the shop.
Trading items you collect can be sold or traded with other players in the lobby.
Kill streaks chaining kills without dying unlocks increasingly powerful streak rewards that can turn a match around.
03

Game modes and special play situations

Tips
In short Different modes reward completely different skills, so knowing what each one demands stops you from playing the wrong way.

Combat Arena runs more than one game mode, and what counts as good play changes depending on which one you are in. One in the Chamber in particular flips the usual rules on their head. The Champion system means the player with the most kills at the end of a match carries that title into the next one.

Tips worth knowing
  • In One in the Chamber, getting a full magazine of kills through melee alone is a real challenge worth attempting once you are confident in close-quarters fighting.
  • Shooting down an enemy drone is its own objective — keep your aim on moving aerial targets, not just ground opponents.
  • The Champion title goes to whoever ends a match with the most knockouts, who then carries that status into the next match.
04

Positioning and streak habits

Check
In short Where you stand and when you push or hold back matters more than raw aim for keeping streaks alive.

Kill streaks grow more powerful the longer you keep them going, so dying resets progress you cannot easily buy back. Smart positioning is what keeps the streak alive.

  • Control corridors and corners early reaching a strong angle before the enemy does means you shoot first.
  • Reload behind cover letting an opponent see your reload animation hands them a free kill.
  • Use cover actively during gunfights rather than standing in the open and trading shots.
05

Redeem codes and the Rewards screen

Step
In short You cannot use a code until you have 40 kills and one match win, so hit those targets before anything else.

The code entry box only becomes available after you hit 40 kills and win one match. Once you qualify, open the Rewards icon at the bottom of the screen, type the code exactly as written, and press Claim. Codes can expire or run out of uses, so redeem any you find as soon as possible. This site currently tracks two working codes — check the codes section of this page for the current list.

  1. Reach 40 kills and win one match without both, the Rewards screen will not let you enter a code.
  2. Open the Rewards icon it sits at the bottom of the screen once you qualify.
  3. Type the code exactly capitalisation matters, so copy it carefully.
  4. Press Claim if the code is valid and still active, the reward is added immediately.
  5. Use codes quickly they can expire or hit a redemption limit at any time.
06 Working codes Codes
i just farted
HOLIDAY2025 This code credits your account with Free Rewards .
This code credits your account with Free Rewards .
GENEROCITY -
-
JUSTFORFUN Primordial Crate
Primordial Crate
Every code, and the votes on it, are on the codes page
07

Hidden details worth knowing

Warn
In short The lobby is not a safe zone, and the game contains at least one secret log that rewards curiosity.

A few things in Combat Arena catch new players off guard. The lobby enforces its own rules — attempting to leave through an unauthorised exit can get your character killed by the arena's security. There is also a terminal that lets you read a hidden research log, so explore carefully. The creature or object described as meaning you no harm is best left alone.

Worth watching out for
Do not try to leave the lobby through unofficial exits the arena's security will respond with lethal force.
Find the terminal and interact with it to unlock the hidden research log.
Whatever is in the lobby that means you no harm is best left undisturbed.
Report any player you see cheating in the official community server proof of exploiting leads to a ban from the game.

Glossary

Glossary
Kill streak
A run of consecutive kills without dying; the longer it continues, the more powerful the streak reward you unlock.
Streak reward
A special ability or power-up released when you chain enough kills together without dying.
Coins
The in-game currency you earn from kills and match wins, spent on unlocking new weapons in the shop.
Crate
An openable container that gives you a random chance at legendary skins and other items.
Rewards screen
The menu opened from the icon at the bottom of the screen, used for claiming earned rewards and entering codes.
Prestige
Something you can do for the first time, earning you the Here We Go Again badge.
Champion
The title given to the player with the most knockouts at the end of a match, who carries that status into the next match.
One in the Chamber
A game mode where filling an entire magazine through melee knockouts alone is a recognised challenge.

Common questions

FAQ

Can free-to-play players unlock good weapons?

Coins come from kills and match wins during normal play, and the shop's weapons are purchasable with coins. Crates also offer legendary skins and more that are not sold in the shop.

Why can't I open the code entry box?

The Rewards screen and its code entry field only unlock after you have reached 40 kills and won at least one match. Complete those two goals first, then the Rewards icon at the bottom of the screen will let you in. Once it is open, type your code exactly and hit Claim.

What should I do if my kill count is not improving?

The two most common causes are not knowing where enemies appear on the map and using a weapon whose recoil or range does not suit how you play. Spend a few matches focusing only on learning one map's layout, and try swapping to a different weapon to see if your accuracy improves. Taking cover during reloads also makes a noticeable difference.

Does the game work on mobile and console?

Combat Arena supports PC, console, and smartphones with full native cross-platform compatibility, so players on different devices share the same servers. You and a friend can play together regardless of what device either of you is on.

What happens when I prestige?

The first time you prestige, you earn the Here We Go Again badge.

Updated Sep 14, 2026
Game updates can change what is on this page. If you spot something, get in touch and let us know.
[DUELS] Combat Arena Atomic Horizon, Playing 1.8K, Rating 92.9%
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