Diep.io Wiki
Diep.io Wiki

The Tank, usually called the Basic Tank, is the first variation of the tanks that the player can upgrade to once they spawn. It is equipped with one Cannon which shoots one Bullet at a time in a straight path, with slight recoil. At Level 1, with no upgrades, it has 50 HP.

At Level 15, four upgrade choices will be given to the player: Twin (adding an extra cannon next to the existent cannon, both larger than the starter Tank's) Sniper (turning the normal cannon into a sniper cannon), Machine Gun (turning the normal cannon into a machine gun cannon) and Flank Guard (once again adding an extra cannon on the size of the twin's, but this time adding it on the back of the tank and the existent cannon with the same size as before). At Level 30, the choice for the Smasher upgrade will be available. Level 30 and 45 will once again prompt the player with options of other “sub-categories” of tanks. For information on these other tanks, go to the Tiers page.


Level 45 Tanks with the new color scheme.

The Tank features a basic circular body with one light gray Cannon placed in the front of the tank. The body can be either blue or red (In 4 Teams and Tag, it can also be green or purple), depending on the tank’s team (In FFA and Maze, each player's tank is blue and all other (hostile) tanks are red.)


  • Strong Against: Low upgraded tanks (as the tank levels up, the list grows exponentially due to the high bullet stats)
  • Weak Against: Bullet Spammers, Overlords, highly upgraded tanks, high-level tanks, Bosses, Sniper tanks if caught off guard, Crashers (swarming).

As the Tank

  • Upon starting the game, it is advised for players to attempt to find and kill any Pentagons near their spawn point because Pentagons are most effective and critical for leveling up. If there are none close by, it is best to destroy any nearby Squares or Triangles instead.
  • Though strategies differ between players, it is often advisable for novices to upgrade Max Health and Health Regeneration once or twice.
  • While playing 2 Teams or 4 Teams, players should stay close to the Base and take out Polygons nearby when they are at a lower level. If the enemy team’s players are taking up most of the Leaderboard and/or are spawn-camping the player’s team, consider going to a different area of the spawn camp. Again, players should upgrade Max Health or Movement Speed.
  • As a low-level tank with maxed out Max Health and Body Damage, players can surprise Bullet build players by making themselves seem harmless. This is a good way to quickly reach Smasher or Booster.
  • Players should stay away from others as much as possible in non-team game modes. Try to refrain from fighting others.
  • Using the tank's small recoil will help you run away from enemies faster.
  • As the player reaches higher levels (Level 30 - 45) this tank becomes quite powerful, with its Bullet Damage and Penetration becoming very effective against most tanks. High bullet stats have enabled many players to reach high scores despite never upgrading.

Against the Tank

  • Bullet spammers can easily overwhelm the tank if they have enough Bullet Penetration because the Tank has only one cannon. If a player’s strategy is to wander around getting points mainly by killing all the Tanks they see, becoming a Triplet or a Penta Shot could help them.
  • Due to how the tank has only one cannon, it is also possible to flank it.
  • A common strategy is spawn-camping. This is when players will aim to find and kill tanks that have just spawned. This strategy works very well with Sniper-class tanks due to their high FOV. If the player chooses to use this strategy in 2 Teams or 4 Teams they should upgrade Movement Speed and be ready to run away from Protectors at a moment's notice. However, not much experience is gained from this, generally, and targeting low-level basic tanks can be seen as bullying.
  • An Overlord could flank a basic tank, however it is still appropriate to attack it from the front since the Tank doesn't have enough reload to destroy them all. But be careful, because a Tank with almost and/or fully maxed out Movement Speed may easily run away from them.
  • Beware of surprise rammers; players occasionally level up but choose to stay as a tank and can quickly upgrade and surprise their opponent. The player may be able to spot one if the enemy Tank is trying to get too close to them. When this happens, the player must kill them as quickly as possible.
  • The bullets of a basic are, to say the least, basic. Dodging their bullets all depends on the bullet’s speed and the basic’s Movement. Estimating the trajectory of the tanks Bullets to the cannon direction is the main way to dodge their bullets, or just plain dodging is another way.


  • There are other classes? — Get to level 45 as a basic tank
There are other classes?
Get to level 45 as a Basic Tank


Body ratio comparison between level 45 and 1 tanks. Notice that size increases by about 50%.

A clear image of a tank

  • Upon spawning, the Tank will spin briefly.
  • Oddly; the Tank’s Bullets are actually the eighth most powerful in the game, tied with the Flank Guard, only under the Skimmer, Rocketeer, Destroyer, Annihilator, Arena closer, Dominator (mainly destroyer dominator) and Hybrid’s bullets.
    • This is because most tanks will add barrels but reduce the power of each, to balance out the extra firepower.
  • The Tank is the only Tier 1 tank in the game.
  • The Tank is one of two Classes that has an upgrade directly branching from it that is two tiers higher than itself, the Smasher (Tier 3). The other tank with this quality is the Machine Gun, branching to the Sprayer (Tier 4).
  • This Tank, along with the Twin, Triplet, Triple Shot, Quad Tank and Octo Tank, were the first tanks ever added to the game (before its public release).
  • At level 45, this tank's bullets deal almost as much damage as the Destroyer Branch's. It can kill a level 45 tank in 2 shots if fully upgraded in Bullet Speed, Penetration and Damage.


A basic tank near some polygons.

A tank with base drones.

A newly spawned Basic Tank "nuzzling" an Overlord.


  1. The Tank has four upgrades available at level 15. However, once the upgrade gets ignored and the Tank reached Level 30, the player gets an option to upgrade to the Smasher.
  2. All players will start with this tank, since it is the only Tier 1 tank.