IMHO.

Super Mega Baseball 3 vs R.B.I. Baseball 21

Super Mega Baseball 3 and R.B.I. Baseball 21 both land in Sports 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 are Sports games on Steam. Super Mega Baseball 3 (2020) is 1 year older than R.B.I. Baseball 21 (2021). Super Mega Baseball 3 scores higher on Steam reviews (92.4% positive) than R.B.I. Baseball 21 (52.7% 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 Super Mega Baseball 3

Choose Super Mega Baseball 3 if you want an Action, Indie, and Simulation game with Steam Leaderboards, Online PvP, and Online Co-op. On Steam, it carries the stronger Steam consensus at 92.4% positive across 1,582 reviews.

Choose R.B.I. Baseball 21

Choose R.B.I. Baseball 21 if it matches what drew you to this matchup. R.B.I. Baseball 21 launched in 2021.

Both Super Mega Baseball 3 and R.B.I. Baseball 21 sit in Sports on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen PvP, 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

Super Mega Baseball 3 vs R.B.I. Baseball 21 — Steam metadata comparison
Super Mega Baseball 3 — Steam game coverSuper Mega Baseball 3R.B.I. Baseball 21 — Steam game coverR.B.I. Baseball 21
Released20202021
GenresAction, Sports, Indie, SimulationSports
PlatformsWindowsWindows
Steam DeckDeck VerifiedUnrated
Price44.99 USDPrice unknown
Steam reviews92.4% positive (1,582 reviews)52.7% positive (131 reviews)
MultiplayerMulti-player, Cross-Platform Multiplayer, Online Co-opMulti-player
DevelopersMetalhead Software Inc.MLB

Side by side

Super Mega Baseball 3 vs R.B.I. Baseball 21 — FAQ

Which is better, Super Mega Baseball 3 or R.B.I. Baseball 21?
On Steam reviews Super Mega Baseball 3 scores higher (92.4% positive) than R.B.I. Baseball 21 (52.7% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Super Mega Baseball 3 is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
Should I play Super Mega Baseball 3 or R.B.I. Baseball 21 first?
If you want chronology, Super Mega Baseball 3 (2020) came out before R.B.I. Baseball 21 (2021). 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 Super Mega Baseball 3 and R.B.I. Baseball 21 similar?
They overlap on Sports 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.
Does Super Mega Baseball 3 run on Steam Deck?
Yes — Super Mega Baseball 3 is rated Deck Verified by Valve. R.B.I. Baseball 21 doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Super Mega Baseball 3 vs R.B.I. Baseball 21 (2026) · imho.run