The developers of They Are Billions (Numantian Games) designed the tech tree to force consequence. Every point spent is a strategic bet against the infected horde. If you bet wrong, the colony dies. And sometimes, the only reset button is the Main Menu.
Survival allows you to select "Starting Technologies" in the game setup menu. If you want to remove a starting tech (like starting with a Soldier instead of a Ranger), you simply:
Essential for dealing with massive hordes in later stages. Bank: Crucial for massive income generation. Mid-to-Late Game Focus: they are billions reset tech tree
If you have made fatal mistakes in your tech tree and are stuck on a mission, you cannot use an in-game "respec" button. However, players have found workarounds: 1. The "Replay Mission" Loop
: Load your current campaign save file into the editor. The developers of They Are Billions (Numantian Games)
Due to the game's anti-tamper check triggers, starting the game executable directly from its folder without Steam running sometimes forces the game to treat the save as an unverified copy. On some older versions, doing this caused the tech tree to completely wipe and refund all points upon loading a mission. Technology Tree Progression Guide (Edited)
Instead of needing a reset, the best strategy is to focus on the most impactful techs. Many players suggest prioritizing these: And sometimes, the only reset button is the Main Menu
Some players have speculated that the game's internal checks flag a non-legitimate copy, causing the tech tree to reset every few missions. If you own a legitimate copy on Steam and experience resets, verifying the integrity of your game files through the Steam client usually resolves this.
Since a single "respec" button doesn't exist, players have developed several alternative methods to achieve a similar outcome.