Picking the wrong armor in Xenonauts 2 doesn't just cost you a mission — it costs you a veteran soldier you've spent hours building up. The game's armor progression runs from free Tactical Armor all the way to the $200,000 Vanguard Exosuit, and each tier demands a different playstyle. Here's everything you need to know to keep your squad alive from the first terror mission to Operation Endgame.
How does armor work in Xenonauts 2?
Every piece of armor provides Armor HP, a buffer that absorbs incoming damage before it reaches a soldier's actual health pool. According to the official Xenonauts 2 wiki, weapons deal between 50% and 150% of their base damage — meaning even the best armor can't guarantee survival against a lucky alien hit. That variance is the core tension of every tactical decision you make.
Most armor comes in two configurations: a light version and a heavy version. Heavy configs offer significantly more protection but add weight and apply a -10% Accuracy penalty. The exceptions are the Stalker Stealth Armor and the Colossus Battlesuit, which have no heavy variant at all.
On Veteran and Commander difficulty, losing a soldier means losing their armor permanently — even if they survive the post-mission check. Budget accordingly.
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On Veteran and Commander difficulty, armor is lost when a soldier becomes a casualty, even if they pass their survival roll. Don't send rookies into high-risk missions in your best suits.
What armor should you use early game?
Tactical Armor is your starting option, available free and in unlimited supply. At 6 Armor HP in light configuration and 12 in heavy, it's modest — but early-game enemies deal relatively low damage, so the heavy version is worth equipping on most soldiers right away. The only soldiers you might keep in light are those with low Strength or those where the Accuracy penalty genuinely hurts their role.
Warden Combat Armor unlocks once you acquire Alien Alloys and costs $25,000 plus 6 Alien Alloys per suit. It jumps to 14 Armor HP light and 28 heavy, with 5 Hardness — a meaningful step up when you start encountering extraterrestrials and Cleaner Soldiers. The community debate around Warden is real: some players skip it entirely to rush Guardian Battle Armor, which unlocks from Destroyer UFO research. If you attempt that skip, expect a brutal window where aliens can one-shot your soldiers regularly.
Warden armor research path
Which armor dominates the midgame?
Guardian Battle Armor is the workhorse of the midgame. At 20 Armor HP light and 30 heavy (upgradeable to 25/38 after researching Alien Electronics from Observer UFOs), it offers solid protection at $50,000 and 10 Alien Alloys — no Alenium required. The upgrade is a straightforward decision if you've already built a stockpile of Guardians. Guardian does fall off noticeably once alien Fusion weapons appear, but it remains better than running Warden into that phase.
Stalker Stealth Armor is the specialist pick. It sits at 25 Armor HP with no heavy variant, costs $75,000 plus 12 Alien Alloys and 5 Alenium, and requires Alien Electronics research. The standout feature is its Cloaking Field, which reduces enemy hit chance by 1.5% for every tile of distance between the alien and your soldier. For snipers who stay at range, that stacks into a significant survivability bonus without any Accuracy penalty. The wiki notes you're better off with upgraded Guardian for short-range specialists or lower-experience soldiers who can absorb the heavy config weight.
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Pair Stalker Armor with sniper-role soldiers. The cloaking field's per-tile hit reduction compounds at long range, and snipers already want to stay far from the fight.
Is the Colossus Battlesuit worth it?
The Colossus Battlesuit is genuinely one of the most entertaining pieces of kit in the game, and it's also legitimately effective. At 50 Armor HP base (upgradeable to 80) with 20 Hardness, it absorbs more punishment than anything else on the field. The built-in Power Fist deals 60 Kinetic plus 40 Stun damage with 40 armor penetration, making it a melee option that actually threatens armored targets.
The tradeoffs are real, though. The Colossus locks soldiers to machineguns only (with a 20% reduced Time Unit fire cost to compensate), cuts Vision Range by 3, and reduces Reflexes by 50%. Grenades are off the table entirely. The weight sits at 60, which requires 100 Strength to move effectively. According to the wiki, the Colossus remains useful all the way through to the final mission — but you want it on one or two dedicated soldiers, not your entire squad.
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The Colossus Battlesuit requires Advanced Alloys research and costs $120,000 plus 20 Alien Alloys and 8 Alenium. Budget for this well in advance of when you'll need it.
What is the best armor in Xenonauts 2?
For most soldiers, the answer is the Vanguard Exosuit. It costs $200,000 plus 20 Alien Alloys and 8 Alenium, and requires Ultradense Alloys research — so it's a late-game investment. The payoff is 34 Armor HP light and 50 heavy, 20 Hardness, and a +12 Time Units bonus that makes soldiers genuinely faster in the field. Unlike the Colossus, Vanguard soldiers face no weapon restrictions, no vision penalties, and no grenade limitations.
The wiki's recommendation is direct: give everyone the Vanguard except the dedicated Colossus troopers you're keeping for heavy suppression roles. That's good advice. The Time Unit bonus alone changes how many actions a soldier can take per turn, which compounds across a full squad.
How do modules and equipment stack with armor?
Armor doesn't exist in isolation. The 5x5 Tactical Vest grid on each soldier holds equipment that can further improve survivability. Armor modules slot into this grid and each occupies a 2x2 space with a weight of 12. A soldier can only equip one of each module type.
The three armor-adjacent module tiers are:
- Steel Plates (+3 Armor), upgradeable to Alloy Plates (+5 Armor), then Reinforced Plates (+8 Armor)
- Tactical Module (+4 Accuracy), upgradeable to Advanced Tactical Module (+8 Accuracy)
- Automed Module (+25 HP Regeneration) — requires research to unlock
The Buzzard Jetpack is also available once its engineering project completes, equipping at the cost of 5 Carry Weight. For soldiers who need vertical mobility on complex maps, that trade-off can be worth it.
Healing items occupy vest space too. The standard Medikit weighs 25 and takes 25% TU to use, while the Advanced Medikit drops to 12 TU and weighs 20 — a significant upgrade for combat medics who need to act quickly after patching someone up.
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Reinforced Plates stack on top of your armor's base HP, so they're most valuable on mid-tier suits like Guardian where every point of protection matters before you reach Vanguard.
For more tactical guides covering weapons, research priorities, and squad composition, browse more guides at GAMES.GG to round out your Xenonauts 2 knowledge.