Halo Achievements Guide: Unlock Every Secret in the Campaign

Complete Halo Achievements List

Halo achievements are the ultimate test of your skill, exploration, and dedication. This guide covers every known achievement in the upcoming Halo: Campaign Evolved on PC. Whether you are a veteran Spartan or a new recruit, this list will help you track your progress and plan your unlocks. Achievements range from simple story milestones to hidden feats that require specific loadouts and map knowledge.

The game features a diverse set of achievements tied to the campaign, multiplayer, and collectibles. Some are straightforward, while others demand careful planning. Use this guide to identify which achievements are missable and which can be earned in any order. We will update this list as more details emerge from Halo Studios.

Story Progression Achievements

The most straightforward achievements are tied to completing campaign missions. These are generally unmissable if you finish the main story. Expect achievements for completing each major act or chapter, as well as for finishing the campaign on different difficulty settings.

• "A New Legend": Complete the first mission of Campaign Evolved.
• "The Ark's Secret": Finish the campaign on any difficulty.
• "Legendary Spartan": Complete the campaign on Legendary difficulty. This is a major challenge and will require mastering combat mechanics and enemy patterns.
• "Speed Demon": Complete the campaign in under 3 hours. This achievement encourages speedrunning tactics and skipping optional encounters.

For the Legendary run, we recommend reviewing our difficulty guide and beginner tips to prepare. You can also check the walkthrough for optimal routes.

Hidden and Secret Achievements

Secret achievements are not shown in the list until unlocked. They often involve discovering hidden areas, performing specific actions, or using unique weapons. Here are the confirmed secret achievements:

• "Sticky Fingers": Kill 5 enemies with plasma grenade sticks in a single mission.
• "Silent Assassin": Complete a mission without alerting any enemies. Use the stealth mechanics guide for tips.
• "Master of Arms": Kill an enemy with every weapon type in the game. This requires collecting all weapons across multiple playthroughs.
• "Forerunner's Legacy": Find and activate all hidden Forerunner terminals. Use the secrets guide for exact locations.

Multiplayer and Co-op Achievements

Multiplayer achievements focus on team play and competitive modes. These require a stable internet connection and coordination with other players.

• "Team Player": Win 10 matches in any multiplayer mode.
• "Co-op Champions": Complete the entire campaign in co-op mode without any player dying. This is extremely difficult and requires constant communication.
• "Flag Runner": Capture the flag 50 times in Capture the Flag matches.
• "Unstoppable": Earn a 10-kill streak in a single multiplayer match.

For co-op strategies, see our co-op guide and multiplayer guide. You can also check the loadout guide for the best weapon combinations.

Collectible and Exploration Achievements

Exploration achievements reward you for thoroughly searching every level. Collectibles include data pads, audio logs, and hidden weapon caches.

• "Data Collector": Find all data pads in the campaign.
• "History Buff": Unlock all audio logs. These provide deep lore about the Halo universe.
• "Arsenal Complete": Unlock all weapon variants in the game. This is tied to the upgrades guide and progression system.
• "Map Master": Discover all hidden areas on every map. Use the map guide for detailed locations.

Challenging and Endgame Achievements

These achievements are for the most dedicated players. They require grinding, high skill, or multiple playthroughs.

• "Infinite Warrior": Reach max rank in the multiplayer progression system.
• "No Mercy": Kill 10,000 enemies across all game modes.
• "Perfectionist": Earn all other achievements in the game (excluding DLC).
• "Legend of the Ring": Complete the campaign on Legendary difficulty without dying. This is the hardest achievement in the game.

Tips for Efficient Achievement Hunting

To maximize your achievement progress, follow these strategies:

• Play on Easy first: For collectibles and hidden achievements, use the lowest difficulty to avoid frustration.
• Use chapter select: After finishing the campaign, you can replay individual missions to clean up missed achievements.
• Track your progress: Keep a checklist of completed achievements. Many are tied to specific actions that are easy to miss.

For more detailed strategies, refer to our achievement hunting guide and tips and tricks. Good luck, Spartan!