Are you looking for a game like baseball that can be played inside a gymnasium or on a street?
Baseball 5, created by the World Baseball Softball Confederation (WBSC), is a discipline of baseball/softball that can be played with only five players on a team and a small space. It is fast-moving, fun and a game that can be played by anybody.
For an explanation of Baseball 5, check out https://www.youtube.com/watch?v=k-FPwfwlOiM.
For documents related to the rules and procedures of Baseball 5, check out https://www.wbsc.org/documents/c/baseball5.
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