Get a 32 additional cards expansion, to have a more advanced game! Combining the basic game with the expansion let's you play with 1-6 players. One copy is enough to play the standard game mode. You need another copy, if you want to build your own custom decks. Getting the game expansion is especially recommended if you like building your own decks in an alternative play mode.
This not a standalone game expansion. You need the "IT Startup - The Card Game" base game for all the game tokens, rulebook etc.