A complex tower defense game where you build and upgrade towers to defend against waves of spheres. Strategize with deep customization, resource management, and research to overcome challenges. Offers extensive replayability with numerous levels and modes.
0.16.14
July 30, 2026
- Fixed sign up resetting progression - Minor UI tweaks
$4.99
Au Field Ration
A quick resource injection to get you back in action.
Sphere TD is a complex tower defense game developed by StandardIssueGames. It focuses on building, researching, and upgrading towers with deep customization options to defend against waves of enemies.
Sphere TD features 30 base towers, each with over 28 stats to optimize. There are also 33 mods available, each with 5 parameters, leading to over a million possible combinations for your towers.
Yes, Sphere TD supports offline play. It also offers online play with cloud sync and leaderboards for those who wish to compete or save progress across devices.
Sphere TD is rated 12+ by its developer, StandardIssueGames, indicating it is suitable for players aged 12 and older.
Yes, Sphere TD contains advertisements. The developer notes that there are no ads spam, but advertisements are present in the game.
Sphere TD was last updated on March 23, 2026, with version 0.13.6. The developer has committed to 10 years of support for the game.
Sphere TD is available on multiple platforms, including mobile devices (iPhone, iPad, iPod) and desktop computers, supporting cross-platform play.
Sphere TD differentiates itself with its extensive modding system, deep stat optimization, research and crafting mechanics, and a strong emphasis on player-driven development via Discord.
