Tech Tree (3.5) for TABS version 1.1

Check out my new map, Return. It is also a survival map that uses a save code system and a different upgrade system. It has a story as well, with endings that vary depending on when/if you beat the map. Link is below. https://steamcommunity.com/sharedfiles/filedetails/?id=2563289591 Update 3. 0 will probably be the last major update of the map until the game itself updates or if enough content is added that it warrants the map to be called 4. 0. However, bug fixes and more content will still be added, just not in large chunks like 2. 0 and 3. 0. Update 3. 5 adds the contract system. Contracts are boosts you can receive at the cost of something later down the line. Can mean the difference between winning and losing if the contract is taken at the right time. That being said, a contract can single handily ruin your odds of winning if the benefits are not capitalized on. Fair warning, the difficulty of the map was modified to balance out the addition of the tech tree. The map should be more difficult than the standard. However, there are tons of modifiers that can significantly increase or decrease the difficulty of the map. Please feel free to adjust it to your skill level. Spoilers for those who want to know all the details about the map; Applies to day 80. To increase the difficulty of map, I've increased the zombie amount per wave to be about double. Walkers start headed to the command center after day 4. Random waves are a bit larger. The final wave will have a few giants and mutants. Day 40 will be half the amount of Day 80 waves, with mutants and giants being removed from the final wave. Currently, the available tech modifies every unit and most buildings. Additional tech to buildings and units may be added over time. This map should give you a good idea of what's possible with the new update. Balance at the end-game tech was somewhat consider, but some things may be out of balance with others. The point of the map was to display the various tech you make as of the u