Tank 1990 is a 1990 arcade-style Mod based on Battle City, offering 15 distinct, hacked variations (A-N) of the original game. You engage in top-down tank combat, defending your base across new levels with unique enemy waves. Distinctive features include altered enemy capabilities—like small tanks gaining heavy armor—and new power-ups, such as instant weapon buffs or water traversal, which enemies can also acquire, adding strategic risk to the familiar vehicular warfare.
The primary appeal of this version lies in its extensive variation of the original formula. Instead of a single continuous progression, players are presented with 15 distinct modifications, labeled alphabetically from A through N. Each of these variations introduces unique challenges.
These modifications feature entirely new level designs and distinct enemy wave compositions. Players will encounter scenarios where the established rules of engagement are deliberately altered, forcing adaptation to new tactical situations.
The modifications introduce significant shifts in enemy behavior and capabilities. For instance, smaller enemy tanks may possess the heavy armor typically reserved for larger units, while larger tanks might appear without armor, creating unpredictable combat encounters.
Furthermore, new power-ups are integrated into the gameplay loop, offering temporary advantages to the player tank. These include enhancements that instantly upgrade the player's firepower, and special items that grant the ability to traverse water obstacles.
A critical element that alters the strategic depth is the fact that enemy tanks can also acquire and utilize these power-ups. This introduces a layer of risk management, as an enemy gaining a temporary advantage can drastically change the difficulty of an ongoing skirmish.
This release is classified as a Mod, meaning it significantly alters the content and structure of the base game it is derived from, offering a fresh, albeit non-official, take on the established mechanics.
Because the game is comprised of 15 distinct hacks, the experience is highly variable. Players move through these separate stages, each demanding a different approach based on the specific combination of new level layouts and modified enemy tank attributes present in that particular iteration.