IMHO.

HordeCore: Training Ground vs Vaccine Rebirth

HordeCore: Training Ground and Vaccine Rebirth both land in Action, Indie 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, Indie on Steam. HordeCore: Training Ground (2020) is 3 years older than Vaccine Rebirth (2023). HordeCore: Training Ground scores higher on Steam reviews (82.9% positive) than Vaccine Rebirth (76.5% positive). 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 HordeCore: Training Ground

Choose HordeCore: Training Ground if you want an Adventure, RPG, and Free To Play experience. HordeCore: Training Ground launched in 2020.

Choose Vaccine Rebirth

Choose Vaccine Rebirth if you want the Steam Leaderboards side of the pairing. On Steam, it's the newer release (2023) and ships with the modern feature baseline. Vaccine Rebirth launched in 2023.

Both HordeCore: Training Ground and Vaccine Rebirth sit in Action and Indie on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op, 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

HordeCore: Training Ground vs Vaccine Rebirth — Steam metadata comparison
HordeCore: Training Ground — Steam game coverHordeCore: Training GroundVaccine Rebirth — Steam game coverVaccine Rebirth
Released20202023
GenresAction, Indie, Adventure, RPG, Free To PlayAction, Indie
PlatformsWindowsWindows, Linux
Steam DeckUnratedUnrated
PricePrice unknown6.99 USD
Steam reviews82.9% positive (35 reviews)76.5% positive (17 reviews)
MultiplayerMulti-player, Shared/Split Screen Co-op, Co-opMulti-player, Shared/Split Screen Co-op, Co-op
DevelopersDigitality StudiosRainy Night Creations

Side by side

HordeCore: Training Ground vs Vaccine Rebirth — FAQ

Should I play HordeCore: Training Ground or Vaccine Rebirth first?
If you want chronology, HordeCore: Training Ground (2020) came out before Vaccine Rebirth (2023). 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 HordeCore: Training Ground and Vaccine Rebirth similar?
They overlap on Action, Indie 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.
Do both HordeCore: Training Ground and Vaccine Rebirth have co-op?
Yes — both list a co-op category on Steam. Specifics differ: HordeCore: Training Ground ships Shared/Split Screen Co-op, Co-op; Vaccine Rebirth ships Shared/Split Screen Co-op, Co-op.
HordeCore: Training Ground vs Vaccine Rebirth (2026) · imho.run