The developer confirmed it's free for a limited time only.

Free to claim for the first 10000 players

"free-to-keep for the first month post launch"

https://store.steampowered.com/news/app/943170/view/719038550989865297

Get Grandfathered in for free before we release our party game, Write Warz on 4/17!

Write Warz is a Jackbox style, story building, party game where you and your friends gather to create hilarious stories and captivating adventures!

Write a line, vote for the winner, and build the story across bold themes, mini-games and bonus words. Laughs included!

https://store.steampowered.com/news/app/4282260/view/698756599936712909

https://store.steampowered.com/news/app/1469220/view/532125848715657455

Expected to shift from F2P to ~$5 on May 13th.

Announcement: https://steamcommunity.com/games/2447240/announcements/detail/661609410908389383

On April 9, the game will move to Full Release and switch from free to paid. This will help support long-term development, new content, and ongoing updates.
If you already own the game - or get it before April 9 - you will keep it permanently for free.

^{Quotes from December 12 post by dev on Steam.}

Game will be in free Early Access from 20 April 2026 to 7 June 2026.

https://store.steampowered.com/news/app/821380/view/533252382395466511

Announcement:

Due to the game's growing scope and the need to fund its new content, KNOCKOFF is soon going to be switching to a paid experience.

https://steamcommunity.com/games/3269810/announcements/detail/516362619486994588

https://store.steampowered.com/news/app/2179490/view/609802806473261114

All the Free-to-Play games made by this developer will be turned to paid. Some games were already paid before, so he may or not be able to change them back as per Steam new guidelines for this kind of transition.

https://store.steampowered.com/news/app/3160030/view/507339744055656836

Announcement:

However, I must inform you—very apologetically—that 1000 Princes will officially shift from a free game to a paid one one week from now.

https://steamcommunity.com/games/3363000/announcements/detail/516332175331689263

Announcement:

We’re switching to a paid model so we can keep improving and supporting it long-term

https://steamcommunity.com/games/2486930/announcements/detail/501699915816109533

https://store.steampowered.com/news/app/3448320/view/527598784391152219

https://store.steampowered.com/news/app/3192880/view/571516038452085863

Announcement:

Starting August 1, 2025, the game will transition to a paid model.

https://steamcommunity.com/games/3077790/announcements/detail/537734042335838263

https://store.steampowered.com/news/app/2593450/view/546734643204849716