The game of Cricket has three main international formats:-
Test (5 days, 2 innings/side)
One-Day Internationals (ODIs, 50 overs/side)
Twenty20 (T20, 20 overs/side)
Cricket Leagues around the World
Indian Premier League (IPL),
Australia’s Big Bash League (BBL),
Caribbean Premier League (CPL),
Major League Cricket (MLC) (USA)
South Africa’s SA20,
The Hundred (UK),
Lanka Premier League (LPL) (Sri Lanka)
UAE’s International League T20 (ILT20)
Pakistan Super League (PSL),
Bangladesh Premier League (BPL),
Domestic/emerging variations like First-Class (longer, domestic Tests)