For all three games you need to do the following (the freebies are not available as straight download without logging in anymore as they used to be):
- Log into your IG account
- Go to freebies.indiegala.com
- Click on the game
- Click on "Add to your library"
- Go to your account
- Click on "Showcase Library"
- Download the game from there
The Fan: https://freebies.indiegala.com/the-fan?dev_id=freebies
Galactic Missile Defense: https://freebies.indiegala.com/galactic-missile-defense?dev_…
Survivalist: https://freebies.indiegala.com/survivalist?dev_id=freebies
Enjoy!