How many copies did Capcom Arcade 2nd Stadium sell?

32k to 51k copies, based on its 1k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Capcom Arcade 2nd Stadium make?

Capcom Arcade 2nd Stadium is free to play, so there is no copy-sales revenue to estimate.

Copies are estimated from the public review count, adjusted for release year, and cross-checked against SteamSpy's own estimate.

We don't have enough similar games to place Capcom Arcade 2nd Stadium in its genre yet. The numbers above are Capcom Arcade 2nd Stadium's own.

Sizing up your own game? See how many copies games in its genre usually sell before you build it.