So a lot of phone games have a crystal,gem what ever that you spend at a portal to get a character added to list of bugs,robots that player owns. Can some one give me a ruff out line on how you make the logic for this.
1. Need a available characters in a array (easy)
2. Get a random from the array (easy)
3. Add random to players array if not in array already if already in array do event. (confused)