Starting to lose track of what I have (and what platform it's distributed on). This is just a list of games I owned (as opposed to the ones I have access to via Xbox Game Pass or EA Play etc). I've marked games I own more than once in bold (I might be able to play casual multiplayer with them, e.g. Torchlight II).

1. Doom Eternal
2. Fallout Shelter
3. Quake Champions
4. The Elder Scrolls II: Daggerfall
5. The Elder Scrolls: Arena
6. The Elder Scrolls; Legends
7. Wolfenstein: Enemy Territory

1. Alien: Isolation
2. Amnesia: A Machine for Pigs
3. Among the Sleep - Enhanced Edition
4. A Plague Tale: Innocence
5. Aven Colony
6. Close to the Sun
7. Control
8. CORRUPTION 2029
9. Crying Suns
10. Death Coming
11. Dungeons 3
12. Elite Dangerous
13. For The King
14. Frostpunk
15. Ghostbusters: The Video Game Remastered
16. Grand Theft Auto V
17. Halcyon 6
18. Hell is other demons
19. Horizon Chase Turbo
20. Ironcast
21. Jurassic World Evolution
22. Just Cause 4
23. Kingdom New Lands
24. Metro: 2033 Redux
25. MudRunner
26. Nioh: The Complete Edition
27. Obduction
28. Offworld Trading Company
29. Overcooked! 2
30. Paladins Epic Pack
31. Pine
32. Rage 2
33. Rainbow Six Siege Standard Edition
34. Red Dead Redemption 2
35. Remnant: From the Ashes
36. Rocket League®
37. RollerCoaster Tycoon® 3: Complete Edition
38. Saints Row®: The Third™ Remastered
39. Sheltered
40. Sherlock Holmes Crimes and Punishments
41. Sid Meier's Civilization VI
42. Solitairica
43. Sonic Mania
44. SpellForce 3: Versus Edition
45. STAR WARS™ Battlefront™ II: Celebration Editio…
46. Stranded Deep
47. Stubbs the Zombie in Rebel Without a Pulse
48. Sunless Sea
49. Surviving Mars
50. Tharsis
51. The Escapists
52. The Long Dark
53. The Outer Worlds
54. The Spectrum Retreat
55. Tiny Tina's Assault on Dragon Keep: A Wonderla…
56. Torchlight II
57. Void Bastards
58. Watch Dogs 2
59. Watch Dogs Standard Edition

1. State of Decay 2

1. Apex Legends
2. Battlefield 3 Limited Edition
3. Battlefield Bad Company 2
4. Dungeon Keeper
5. Medal of Honor: Pacific Assault
6. Nox
7. Simcity 2000: Special Edition
8. Spore

1. Age of Empires II (2013)
2. Age of Empires II (2013): The Forgotten
3. Age of Wonders III
4. Age of Wonders: Planetfall
5. Airline Tycoon 2
6. AirMech Strike
7. AI War: Fleet Command
8. Alan Wake
9. Alan Wake's American Nightmare
10. Alien: Isolation
11. Aliens: Colonial Marines
12. Aliens vs. Predator
13. Alien Swarm
14. America's Army: Proving Grounds
15. Amnesia: The Dark Descent
16. Among Us
17. APOX
18. Arctic Combat
19. Arma 2
20. Arma 2: Operation Arrowhead
21. Arma 2: Operation Arrowhead Beta (Obsolete)
22. Assassin's Creed
23. A.V.A. Alliance of Valiant Arms™
24. Banished
25. Bastion
26. Batman: Arkham Asylum GOTY Edition
27. Batman: Arkham City GOTY
28. Battle Chasers: Nightwar
29. Battlefield: Bad Company™ 2
30. Battlefield: Bad Company 2 Vietnam
31. Battlestar Galactica Deadlock
32. BATTLETECH
33. Beholder
34. Besiege
35. Borderlands 2
36. Breach & Clear: Deadline Rebirth (2016)
37. Break the Game
38. Broken Lines
39. Call of Duty: Modern Warfare 3
40. Call of Duty: Modern Warfare 3 - Multiplayer
41. Call of Juarez: Bound in Blood
42. Cities: Skylines
43. Command and Conquer 3: Kane's Wrath
44. Command and Conquer 3: Tiberium Wars
45. Command and Conquer: Red Alert 3
46. Company of Heroes
47. Company of Heroes - Legacy Edition
48. Company of Heroes: Opposing Fronts
49. Convoy
50. Counter-Strike Nexon: Studio
51. Counter-Strike: Source
52. Creeper World Anniversary Edition
53. Crossout
54. Crusader Kings II
55. Crusader Kings II: African Portraits
56. Crusader Kings II: Sons of Abraham
57. Crusader Kings II: South Indian Portraits 5 Year Anniversary Gift
58. Crysis
59. Cyberpunk 2077
60. Darkest Dungeon®
61. Darksiders
62. Darksiders II
63. Darksiders Warmastered Edition
64. Darwinia
65. Dawn of Magic 2
66. DayZ
67. Dead Age 2
68. Dead Island
69. Dead Island Riptide
70. Dead Rising 2
71. Dead State
72. DEATH STRANDING
73. Deathtrap
74. DEFCON
75. Destination Sol
76. Destiny 2
77. Detroit: Become Human
78. Deus Ex: Human Revolution
79. Deus Ex: Mankind Divided™
80. Dirty Bomb
81. Disciples III: Renaissance
82. Disciples III: Resurrection
83. Disco Elysium
84. Dishonored
85. Distrust
86. Divinity: Original Sin 2
87. Divinity: Original Sin (Classic)
88. Divinity: Original Sin Enhanced Edition
89. DOOM
90. Door Kickers
91. Dota 2
92. Dota 2 Test
93. Dota Underlords
94. Dungeons
95. Dungeons - The Dark Lord
96. Duskers
97. Dying Light
98. Empire of Sin
99. Encased
100. ENDLESS™ Legend
101. ENDLESS™ Legend - Digital Artbook
102. Europa Universalis IV
103. Europa Universalis IV: Conquest of Paradise
104. EVE Online
105. Fallen Earth
106. Fallout
107. Fallout 2
108. Fallout 3
109. Fallout 3 - Mothership Zeta
110. Fallout 4
111. Fallout 4 VR
112. Fallout: New Vegas
113. Fallout New Vegas: Dead Money
114. Fallout New Vegas: Honest Hearts
115. Fallout Shelter
116. Fallout Tactics
117. Far Cry 2
118. Far Cry 2: Fortunes Pack
119. Far Cry 4
120. Far Cry 5
121. Fell Seal: Arbiter's Mark
122. Fights in Tight Spaces (Prologue)
123. Forged Battalion
124. Fractured Space
125. Friday the 13th: The Game
126. FTL: Faster Than Light
127. Galaxy Squad
128. Game Dev Tycoon
129. Gothic Playable Teaser
130. Grand Ages: Rome
131. Grand Theft Auto
132. Grand Theft Auto 2
133. Grand Theft Auto III
134. Grand Theft Auto: San Andreas
135. Grand Theft Auto: Vice City
136. Gunpoint
137. H1Z1: Test Server
138. Half-Life 2
139. Half-Life 2: Deathmatch
140. Half-Life 2: Episode One
141. Half-Life 2: Episode Two
142. Half-Life 2: Lost Coast
143. Half-Life: Alyx
144. Half-Life Deathmatch: Source
145. Halfway
146. Hard West
147. Hearts of Iron III
148. Heat Signature
149. Heroes of Might & Magic V
150. Heroes of Steel RPG
151. HITMAN™ 2
152. Hitman 2: Silent Assassin
153. Hitman: Absolution
154. Hitman: Blood Money
155. Hitman: Codename 47
156. Hitman: Sniper Challenge
157. Homefront
158. Homeworld: Deserts of Kharak
159. Homeworld Remastered Collection
160. How to Survive
161. How to Survive 2
162. Hunt: Showdown
163. Hunt: Showdown (Test Server)
164. I’m not a Monster
165. Imperium Romanum: Gold Edition
166. Impire
167. Into the Breach
168. Invisible, Inc.
169. Jagged Alliance - Back in Action
170. Jagged Alliance: Crossfire
171. Jagged Alliance Gold
172. Jagged Alliance Online: Raven Pack
173. Jagged Alliance Online - Steam Edition
174. Jagged Alliance: Rage!
175. Just Cause 2
176. Just Cause 3
177. Kerbal Space Program
178. Killer is Dead
179. Killing Floor
180. Killing Floor 2
181. Killing Floor Mod: Defence Alliance 2
182. King's Bounty: The Legend
183. Knights of Pen and Paper +1
184. L.A. Noire
185. Left 4 Dead 2
186. Magicka
187. Magicka 2
188. Majesty 2 Collection
189. Max Payne
190. Max Payne 2: The Fall of Max Payne
191. MechWarrior Online
192. METAL GEAR SOLID V: THE PHANTOM PAIN
193. Metro 2033
194. Mini Metro
195. Mission: It's Complicated
196. Moonbase Alpha
197. Mordheim: City of the Damned
198. M.U.D. TV
199. Multiwinia
200. MX vs. ATV Reflex
201. Nation Red
202. Natural Selection 2
203. NEO Scavenger
204. Neverwinter Nights: Enhanced Edition
205. Nexuiz
206. Nexuiz Beta
207. Nexuiz STUPID Mode
208. Nexus: The Jupiter Incident
209. No Man's Sky
210. Northgard
211. Objects in Space
212. Omerta - City of Gangsters
213. Omerta - The Japanese Incentive
214. Orcs Must Die!
215. Orwell
216. Othercide
217. Overcooked
218. Overlord II
219. Oxygen Not Included
220. Particle Fleet: Emergence
221. Path of Exile
222. Patrician III
223. Patrician IV: Rise of a Dynasty
224. Patrician IV: Steam Special Edition
225. PAYDAY: The Heist
226. Phantom Doctrine
227. Pillars of Eternity
228. Plague Inc: Evolved
229. Pole Position 2012
230. Portal
231. Portal 2
232. Port Royale 3
233. Prey
234. Prison Architect
235. Project Zomboid
236. PULSAR: Lost Colony
237. Quintet
238. Raw Data
239. Red Faction
240. Red Faction: Armageddon
241. Red Faction II
242. RimWorld
243. Risen
244. Risen 2 - Dark Waters
245. Rise of Venice
246. Risk of Rain 2
247. RollerCoaster Tycoon 3: Platinum!
248. Rome: Total War
249. Run For Cover
250. Sacred 3
251. Sacred 3: Underworld Story
252. Saints Row 2
253. Saints Row: The Third
254. Sanctum
255. Satellite Reign
256. Scanner Sombre
257. SCP: Secret Laboratory
258. Sengoku
259. Serious Sam 3 VR: BFE
260. Serious Sam Fusion 2017 (beta)
261. Serious Sam VR: The First Encounter
262. Serious Sam VR: The Last Hope
263. Serious Sam VR: The Second Encounter
264. Shadowrun: Dragonfall - Director's Cut
265. Shadowrun: Hong Kong - Extended Edition
266. Shadowrun Returns
267. Sheltered
268. Ship Simulator Extremes
269. Shortest Trip to Earth
270. Sid Meier's Civilization V
271. Silent Storm
272. Silent Storm Sentinels
273. SimCity 4 Deluxe
274. Sniper Elite V2
275. Space Engineers
276. Space Haven
277. Space Run
278. Splitgate
279. Spore
280. Spore: Galactic Adventures
281. Starcom: Nexus
282. Star Conflict
283. Stardew Valley
284. Star Traders: Frontiers
285. Star Trek Online
286. Stellaris
287. Stellar Tactics
288. Stronghold Kingdoms
289. Subnautica
290. Supreme Commander
291. Supreme Commander: Forged Alliance
292. Survivalist
293. Tabletopia
294. Team Fortress 2
295. Team Fortress 2 Beta
296. Teardown
297. Teleglitch: Die More Edition
298. Terminator: Resistance
299. Terraria
300. The Elder Scrolls IV: Oblivion
301. The Jackbox Party Pack
302. The Lab
303. The Red Solstice
304. The Silent Age
305. The Stanley Parable
306. The Talos Principle VR
307. They Are Billions
308. This Is the Police 2
309. This War of Mine
310. Titan Quest
311. Titan Quest Anniversary Edition
312. Titan Quest: Immortal Throne
313. Tomb Raider
314. Tom Clancy's Rainbow Six: Vegas 2
315. Tom Clancy's Splinter Cell
316. Torchlight
317. Torchlight II
318. Total War: WARHAMMER
319. Tower of Time
320. TrackMania Nations Forever
321. Tropico
322. Tropico 2: Pirate Cove
323. Tropico 3: Absolute Power
324. Tropico 3 - Steam Special Edition
325. Tropico 4
326. UFO: Extraterrestrials Gold
327. Ultimate Epic Battle Simulator
328. Unturned
329. Unturned - Early Access
330. Uplink
331. VA-11 Hall-A: Cyberpunk Bartender Action
332. Victoria II
333. VRChat
334. WAKFU
335. Warface
336. Warframe
337. Warhammer 40,000: Dawn of War II
338. Warhammer 40,000: Dawn of War II - Chaos Rising
339. Warhammer 40,000: Dawn of War II - Retribution
340. Warhammer 40,000: Gladius - Relics of War
341. Warhammer 40,000: Inquisitor - Martyr
342. Warhammer 40,000: Mechanicus
343. Warhammer 40,000: Sanctus Reach
344. Warhammer 40,000: Space Marine - Anniversary Edition
345. Warhammer: Vermintide 2
346. War Inc. Battlezone
347. War of the Roses
348. War of the Roses Balance Beta
349. War of the Roses: Kingmaker
350. Wasteland 1 - The Original Classic
351. Wasteland 2
352. Wasteland 2: Director's Cut
353. World of Warships
354. Worms Armageddon
355. Wreckfest
356. Wreckfest Throw-A-Santa + Sneak Peek 2.0
357. XCOM 2
358. XCOM 2: War of the Chosen
359. X-COM: Apocalypse
360. XCOM: Chimera Squad
361. XCOM: Enemy Unknown
362. X-COM: Enforcer
363. X-COM: Interceptor
364. X-COM: Terror from the Deep
365. X-COM: UFO Defense
366. Xenonauts
367. You Need A Budget 4 (YNAB)
368. Z1 Battle Royale
369. Zombie Defense
370. Zombie Driver HD