After a rocky first year that squandered a bit of early goodwill with slow multiplayer progression and a lack of some major features like Forge and campaign co-op, Halo Infinite is taking a few steps in the right direction. The new Winter Update comes with quite a few new additions, like new maps, a battle pass, and network co-op (couch co-op, unfortunately, was canceled.) The patch also comes with a batch of 24 new campaign achievements, many of which focus on the newly added co-op functionality.
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All Halo Infinite Winter Update achievements
| Achievement | Requirements | Gamerscore |
| Mix Things Up | Get at least one kill with every available weapon and grenade on the Banished ship. | 20G |
| Stick Around | Defeat Tremonius with the Skewer. | 20G |
| Rapid Unscheduled Disassembly | Destroy both Phantoms before they leave Outpost Tremonius. | 20G |
| Out with a Bang | Kill the Tower commander with a Plasma grenade. | 20G |
| Workplace Safety Violation | Kill an enemy with the Banished mining laser. | 20G |
| Conservation of Momentum | Complete the Conservatory in less than 15 minutes. | 20G |
| It Really Does Beat Everything | Eliminate all enemies at the South Beacon with a Scorpion Tank. | 20G |
| Vintage Fisticuffs | In the Nexus, kill the Hunter pair with melee final blows. | 20G |
| Spire Stalker | Kill 40 enemies with the Stalker Rifle at the Command Spire. | 20G |
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| Turnabout is Fair Play | Kill one Chieftain and use his turret to kill another in the Repository. | 20G |
| More Than He Bargained For | Defeat War Chief Escharum without ever fully losing your shields. | 20G |
| What’s Rightfully Ours | In co-op, capture all Forward Operating Bases on any difficulty. | 10G |
| Wardens of Zeta | In co-op, complete all seven Banished outposts on any difficulty. | 10G |
| First Responders | In co-op, answer all UNSC distress calls on any difficulty. | 10G |
| Hunting Party | In co-op, eliminate all Banished High-Value Targets on any difficulty. | 20G |
| Air Raid | In co-op, kill 100 enemies while all players are riding air vehicles. | 10G |
| Cow Catcher | In co-op, splatter 50 enemies while riding in a vehicle with another player. | 10G |
| Gruesome Twosome | In co-op, kill 50 enemies while riding a Mongoose with another player. | 10G |
| Keep It Steady | Kill 5 enemies with a Sniper Rifle from a vehicle. All players aboard the vehicle share progress. | 10G |
| Rolling Thunder | Kill 5 enemies with a Gravity Hammer from a vehicle. All players aboard the vehicle share progress. | 10G |
| Inseparable | In co-op, kill a Hunter and its bond brother within three seconds of each other. | 20G |
| You, Me, Same Page | In co-op, destroy all cooling towers at the Dig Site within 60 seconds of each other. | 20G |
| Controlled Demolition | In co-op, destroy four Fuel Silos within five seconds at either Ransom Keep or the Forge of Teash. | 20G |
| Wolves at the Doors | In co-op, lower all three gates within 15 seconds of each other at Riven Gate. | 20G |
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