CREATE TABLE table_64868 ("Year" FLOAT, "Game" TEXT, "Genre" TEXT, "Platform ( s ) " TEXT, "Developer ( s ) " TEXT)

Which platforms can you play Portal 2 on?
SELECT "Platform(s)" FROM table_64868 WHERE "Game" = 'portal 2'
SELECT "Platform(s)" FROM "table_64868" WHERE "Game" = 'portal 2'