001 Welcome 002 What you should know 003 Using the exercise files 004 Set up the project 005 Optimize sprites 006 Optimize draw calls 007 Cut up spritesheets 008 Build animations 009 Animation timeline 010 Create player animations 011 Change animations on the player 012 Create a player prefab 013 Add collision to the player 014 Clean up the player 015 Move the player left and right 016 Enable flying 017 Controller class 018 Connect animations 019 Camera 020 Create a simple map 021 Create collectible objects 022 Random sprite 023 Deadly obstacles 024 Create debris 025 Spawn debris 026 Aliens that walk 027 Turnaround at walls 028 Keep aliens on platform 029 Clean up the alien AI 030 Create a splash screen 031 Animate the splash screen 032 Switch between scenes 033 Next steps