XP

XP (short for experience points) are needed to gain levels in multiplayer, which in turn unlocks weapons, class perks, equipment and loadout slots. The amount of XP earned depends on the player's actions. Point gains and requirements are listed below.

Base XP

	Kills	The number of opponents you got the killing blow against. (50 XP)
	Assists	The number of opponents you injured that were later killed by someone else. (XP varies)
	Point Capture	Successfully capture an opponent point in Seize Ground. (200 XP)
	Point Uncapture	Successfully uncapture an opponent point in Seize Ground. (50 XP)

Bonus XP

	Death From Above	Kill an opponent with a Jump Pack ground pound.
	Headshot	Kill an opponent with a headshot. (35 XP)
	Death From below	Kill an opposing Assault Marine or Raptor while they are in the air or just jumping away. (50 XP)
	Variety	Kill an opponent using at least two different weapons or abilities. (15 XP)
	Grudge	Kill the same opponent at least five times in a single round.
	Revenge	Kill the opponent who most recently killed you without them dying in the interim. (50 XP)
	Avenger	Kill an opponent who has recently killed a teammate. (25 XP)
	Savior	Kill an opponent who is damaging or has recently damaged a teammate. (50 XP)
	Double Kill	Kill two opponents within a short period of time. (100 XP)
	Triple Kill	Kill three opponents within a short period of time.
	Quad Kill	Kill four opponents within a short period of time.
	Mega Kill	Kill five or more opponents within a short period of time.
	Killstreak	Kill at least three opponents in a row without dying. (XP varies)
	Round Win	Defeat the opposing team in a multiplayer game. (250 XP)
	Long Shot	Kill an opponent from an extreme distance.
	Victory In Death	Kill an opponent after you have been killed and before you have returned to the game.
	Reinforcement	Have a teammate teleport to your location while you have the 'Teleport Homer' equipped.

Level requirements

Level	XP (accumulative)	XP (difference)
1	0	0
2	800	+800
3	2,220	+1,420
4	4,260	+2,040
5	7,000	+2,740
6	9,840	+2,840
7	12,780	+2,940
8	15,820	+3,040
9	18,960	+3,140
10	22,200	+3,240
11	25,540	+3,340
12	28,980	+3,440
13	32,520	+3,540
14	36,160	+3,640
15	40,200	+4,040
16	44,640	+4,440
17	49,480	+4,840
18	54,720	+5,240
19	60,360	+5,640
20	66,400	+6,040
21	72,840	+6,440
22	79,680	+6,840
23	86,920	+7,240
24	94,960	+8,040
25	103,800	+8,840
26	113,440	+9,640
27	123,880	+10,440
28	135,120	+11,240
29	147,160	+12,040
30	160,000	+12,840
31	173,640	+13,640
32	189,280	+15,640
33	208,920	+19,640
34	233,560	+24,640
35	263,200	+29,640
36	301,840	+38,640
37	349,480	+47,640
38	407,120	+57,640
39	474,760	+67,640
40	552,400	+77,640
41	671,040	+118,640

Perk and Weapon Unlocks by Level

Level	Weapons	Assault Perks	Devastator Perks	Tactical Perks	Items	Features
1	Bolter (Tactical)			Teleport Homer	Frag Grenades	Tactical Class
2	Heavy Bolter (Devastator)		Feel No Pain			Devastator / Havoc Class
3	Chainsword (Assault)	Furious Charge				Assault / Raptor Class
4	Stalker Bolter / Daemon Eye Bolter (Tactical)	Sure Strike Blast Off	Signum Link Furious Stomp	Rapid Deployment Tactical Readout		Customizer, First Custom Loadout
5					Blind Grenades
6	Power Axe / Chain Axe (Assault)			Serrated Combat Blade
7		Impenetrable	Reactive Blast
8	Plasma Gun (Tactical)
9					Combat Stimulants
10	Lascannon (Devastator)
11						Second Custom Loadout
12	Melta Gun (Tactical)
13		Final Vengeance	Fast Stomp	Weapon Versatility
14	Plasma Pistol (Assault)
15						Second Perk Slot
16	Storm Bolter / Twin Bolter (Tactical)
17						Third Custom Loadout
18	Thunder Hammer / Daemon Maul (Assault)
19		Death from Above	Iron Halo /Chaos Icon	Master-Crafted Wargear
20	Plasma Cannon (Devastator)
21
22	Vengeance Launcher (Tactical)
23						Fourth Custom Loadout
24
25		True Grit	Artificer Armor	Larraman’s Blessing
26
27
28
29						Fifth Custom Loadout
30
31		Air-Cooled Thrusters	Ammunition Stores	Favor of the Armory
32
33
34
35						SixthCustom Loadout
36
37
38
39
41					Mk4 'Maximus' Power Armor / Daemon Armor