IMHO.

Soldier Sortie :VR Agent 006 vs Diary of Defender

Soldier Sortie :VR Agent 006 and Diary of Defender both land in Action, Adventure, Violent on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Action, Adventure, Violent on Steam. Soldier Sortie :VR Agent 006 (2016) is 2 years older than Diary of Defender (2018). Diary of Defender is currently ~25% cheaper on Steam than Soldier Sortie :VR Agent 006 (14.99 USD vs. 19.99 USD). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.

Which should you pick?

Choose Soldier Sortie :VR Agent 006

Choose Soldier Sortie :VR Agent 006 if you want a Strategy experience. Soldier Sortie :VR Agent 006 launched in 2016.

Choose Diary of Defender

Choose Diary of Defender if you want an Indie, Simulation, and Early Access experience. On Steam, it's currently about 25% cheaper on the Steam Store. Diary of Defender launched in 2018.

Both Soldier Sortie :VR Agent 006 and Diary of Defender sit in Action, Adventure, and Violent on Steam and both list Tracked Controller Support and VR Only, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.

Side-by-side comparison

Soldier Sortie :VR Agent 006 vs Diary of Defender — Steam metadata comparison
Soldier Sortie :VR Agent 006 — Steam game coverSoldier Sortie :VR Agent 006Diary of Defender — Steam game coverDiary of Defender
Released20162018
GenresAction, Strategy, Adventure, Violent, GoreAction, Indie, Adventure, Simulation, Early Access, Violent, Gore
PlatformsWindowsWindows
Steam DeckUnratedUnrated
Price19.99 USD14.99 USD
Steam reviews5 reviews
MultiplayerSingle-player onlySingle-player only
DevelopersShandong Jerei Digital Technology Co.,LTD.5th VR

Side by side

Soldier Sortie :VR Agent 006 vs Diary of Defender — FAQ

Should I play Soldier Sortie :VR Agent 006 or Diary of Defender first?
If you want chronology, Soldier Sortie :VR Agent 006 (2016) came out before Diary of Defender (2018). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
Are Soldier Sortie :VR Agent 006 and Diary of Defender similar?
They overlap on Action, Adventure, Violent on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.