Atomic Tanks is a Scorched Earth clone. The version at time of post at PortableApps.com is Atomic Tanks Portable 3.8.
For those not in the know, Scorched Earth was a 2D shareware game developed for DOS which featured turn-based game-play involving teams of tanks on a destructible landscape.
Atomic Tanks Portable
Atomic Tanks Portable V3.9
It's now V3.9 
Re: Atomic Tanks Portable 3.8
Current version: 6.5
https://portableapps.com/apps/games/ato ... s_portable
https://portableapps.com/apps/games/ato ... s_portable
Re: Atomic Tanks Portable
This is an old update that we missed but it looks like a big one so ...
08/11/2021 - Atomic Tanks 6.6
This is a major new release of Atomic Tanks, the first in five years! Several improvements have been made and adjusted with regards to AI aiming. We also fixed some crashes, cleaned up some of the building process,
A new Theft Bomb item has been added, so check out that in the inventory. Also AI tanks now start with a basic amount of fuel to help them move about.
Home: https://atanks.sourceforge.io/
Portable: https://portableapps.com/apps/games/ato ... s_portable
08/11/2021 - Atomic Tanks 6.6
This is a major new release of Atomic Tanks, the first in five years! Several improvements have been made and adjusted with regards to AI aiming. We also fixed some crashes, cleaned up some of the building process,
A new Theft Bomb item has been added, so check out that in the inventory. Also AI tanks now start with a basic amount of fuel to help them move about.
Home: https://atanks.sourceforge.io/
Portable: https://portableapps.com/apps/games/ato ... s_portable