[FREE] GOG OpenTTD (F2P on Steam) & Summer Sale started

"Can you feel the summer vibes in the air? Endless sunshine and beach trips are almost here. To help you beat the heat, we’ve launched our Summer Sale on GOG.COM with thousands of hot deals, a fresh breeze of new games, and much more to enjoy!

Start your visit on the GOG.COM front page to check out our 48-hour exclusive game + DLC deals with one great price for base games and selected add-ons. They're available only until June 11th, 2021, at 1 PM UTC. More flash deals will be back this Friday and later during the sale!
Next, take a relaxing walk beside the sea, and discover the new titles joining our catalog today:
Open-world action adventure Sleeping Dogs: Definitive Edition (-85%) .

The final chapter of the legendary stealth series THIEF: Definitive Edition (-75%).

Business and transportation sim OpenTTD (FREE).

Sword and sorcery classics Witchaven (-20%) and Witchaven II: Blood Vengeance (-20%).

And that’s not all!

We also have 3400+ groovy game deals up to 90% off! Dive into them and discover hidden treasures with our handy game collections and great discounts"

https://www.gog.com/news/the_summer_sale_splashes_onto_the_scene_with_groovy_game_deals
https://www.gog.com/game/openttd

Also F2P on steam. https://store.steampowered.com/app/1536610/OpenTTD/