Tower Defence Simulator TDS

 Tower Defense Simulator is a Co-Op Multiplayer Tower Defense game inspired by Tower Battles in Roblox mainly made by the users BelowNatural and Razuatix. Up to four players can team up and use their towers to defend against the oncoming horde of zombies. There are three main modes, Normal, Molten, and Fallen, with additional modes including Hardcore, Nuclear, Badlands, Pizzeria, and Events. If the team manages to survive a certain number of rounds, they receive Triumph rewards.

You can play the game for free here.


In these tropes, no one can survive alone...

  • Anti-Frustration Features: If someone disconnects in the middle of the round, any towers they bought will stay on the map to keep providing support for the remaining player(s).
  • Area of Effect: The melee towers: Gladiator and Sledger. Some bosses can also deal with AOE stuns by stomping or their weapons.
  • Armor-Piercing Attack: The Flamethrower, Freezer, Electroshocker, and Frost Blaster can lower defense and along with certain other towers, can deal damage to Lead enemies, which are immune to normal weaponry.
  • Asteroid Monster: A few enemies can split or downgrade when it dies, like the Solar Shard, which downgrades into the Lunar Shard when it dies, and when that dies, it becomes a Dust.
  • Awesome, but Impractical: These towers can become this if they're too expensive, especially with their max level upgrades. A special shoutout goes to these:
    • Accelerator: Considered the best tower in the game due to its attack, which rapidly builds up damage as time goes on, but costs $3500 to place down, and the Level 5 upgrade costs $25,000 without a DJ. It also has a placement limit of 8.
    • Turret: Considered up there with Accelerator, but is the third-most expensive tower in the game ($44,500), with the placement cost being $4000. And you can only place down 5.
    • Pursuit: Costs $1500 to place down, but its Level 5 upgrade costs $9500. Is considered a good substitute for the Accelerator.
    • Military Base: The Railgun Tank (Level 5) upgrade costs $26,000. Better have some farms.
    • Executioner: The Level 5 upgrade costs $12,500. It is one of four ground towers that can hit flying enemies, the others being the Hunter, Archer, and Engineer (at Level 2). Has a placement limit of 8.
    • Ranger: Deals the most damage per shot (300!) when fully upgraded, but is also the second-most expensive tower, costing $3500 to place and $25000 to upgrade to Level 5. In total, unless someone brings a DJ, it'll cost $44,550 to fully upgrade it. It's also a cliff tower, which means less space depending on the map. Has a placement limit of 10.
    • Mortar: Level 5 costs $12,000, which gives a massive upgrade in damage, range, and fire rate. Is a cliff tower and has a placement limit of 5.
    • Engineer: The total cost to max out this overpowered tower (which can deploy sentries based on the tower's level, with Level 6 having sentries that shoot missiles) without a DJ is $54,100. This is the most expensive tower to max out. Can detect Hidden enemies and Flying enemies at Level 2, and their sentries can damage Lead enemies at Level 6. Has a placement limit of 6.
  • Bee-Bee Gun: The Swarmer, which throws bees at first that induce a Damage Over Time effect on the enemy, and when upgraded, has an actual bee gun that fires bees.
  • Boring, but Practical: A few early game towers can take care of the early waves by themselves.
    • Scout: One of two starting towers in the game, and was reworked in the Solar Eclipse Update so it could easily take on early waves when placed in groups.
    • Demoman: Cheap and causes splash damage and a group of these can hold their own in Molten Mode.
    • Soldier: A burst tower that can take care of early waves in Molten Mode, and is fairly cheap.
    • Pyromancer: Considered one of the worst towers, but has its uses in events with multiple lanes next to each other, like on Outpost 32 in the Frost Invasion or Totality Tower in the Solar Eclipse. Unless it's a Golden Pyromancer. Then you have yourself a tower that can hold the enemies off for a very long time.
    • Mortar: A group of level 0 mortars can take down multiple enemies that are grouped together closely.
    • Farm: Can't attack, but can give money at the start of a wave.
    • Shotgunner: A group can take on multiple waves, especially when the enemies are tightly packed together.
    • Hunter: Is one of the four ground towers that can detect flying enemies and are fairly cheap, dealing medium DPS.
  • Crutch Character:
    • Crook Boss: When upgraded to Level 2 (which is fairly cheap), guards can spawn, walking down the track, and fire at enemies in their range.
    • Military Base: Spawns trucks (and when upgraded, tanks) and is very cheap when starting a game. Able to hold off the first waves, depending on track length.
  • Degraded Boss: The game will often introduce "Boss" enemies by spawning one at the end of a wave, only for their numbers to increase as the round progresses further.
  • Fragile Speedster: Typically, the faster the enemies are, the less health they have, with the exception of some bosses. The average health, however, increases with each wave.
  • Gold-Colored Superiority: Those towers with golden rays shining (Golden Perk Enabled) have much better performance compared to their vanilla counterparts. However, it may come at the cost of the placement and upgrade price increase.
  • The Goomba:
    • The first enemies of any game are typically the easiest to deal with (context: allow you to farm and tank damage), with the exception of Nights 3 and 4 of the Solar Eclipse.
  • Mighty Glacier: The slower an enemy is, typically the more health they have, with some even having defense.
    • Special shoutout goes to the bosses, who all have extremely high amounts of health and very punishing moves, including a Shockwave Stomp which would stun all towers in range. The Umbra, Void Reaver, and Ducky D00M's 2022 version can even damage the base. (Umbra: can shoot base with a bow and arrow and deal 20 Damage. Void Reaver: throws sword that deals 80 damage when they reach half-health, but cannot decrease base health below 1. Ducky D00M: Charges with chainsaws out towards the base, dealing 100 Damage, but the event that they are in includes the ability to increase the max health of the base to 1910.)
  • No-Sell: Most enemies have one or multiple immunities:
    • Hidden: This can only be detected by selecting towers with the correct upgrades. Golden Pyromancers can see Hidden enemies as soon as it is placed down.
    • Fly: Can only be detected by cliff and air towers, with the Hunter, Archer, Level 2+ Engineers, and Executioner being the only four ground towers to detect flying enemies.
    • Lead: Can only be killed with explosions, electricity, burn, poison, Accelerators, Engineers, Level 2+ Sledgers, Level 3+ Rangers, Level 3+ Snipers, Level 3+ Wardens, and collision damage from units.
    • Burn: Immune to the Pyromancer's burn damage.
    • Freeze: Immune to being frozen by the Freezer, Frost Blaster, and the Sledger.
    • Explosion: Cannot be dealt Splash Damage.
    • Energy: Is immune to the slowdown effect from the Electroshocker.
    • Poison: Is immune to the slowdown effect from the Toxic Gunner.
    • Ghost: Cannot collide with units.
    • Bosses have multiple immunities, usually a combination of the ones listed above. Most also have an ability that can make them have Nigh-Invulnerability, which usually triggers when they reach a certain health threshold.
  • Nuclear Mutant: Some of the enemies in Fallen and Golden back when the Polluted Wastelands were available would be replaced with more powerful versions of them. This would only happen on the Polluted Wastelands map. When a team triumphed in Fallen Mode, they would gain a special badge. As of May 8, 2021, this map is not available. On July 29, a new version of the Polluted Wastelands came back, now known as Polluted Wastelands II, playable only on Nuclear Mode, and with it came tougher enemies to face and more rewards to earn, including the Nuclear Monster, the Final Boss of the Polluted Wastelands with a whopping 1.5 million health.
  • Splash Damage: Any tower that can cause explosion damage.
  • Symbol Face: Many enemies have odd faces, most notably being the zombies that usually attack first. The symbols on their faces vary from crosses, slashes, and forked crosses. There are also the molten enemies, which have faces that resemble the letter M. The only exception is the Molten Titan, who has eyes that drown out the symbol and put it in the backseat. It is most likely used to show these creatures aren't human, at least not anymore.
  • Temporary Online ContentDownplayed with the event towers, although there are some exceptions...:
    • Double Subverted and exaggerated with the Gladiator. It was the reward for triumphing over The Heights during the Sword Fight On The Heights 2019 event, but afterward, it would make its return numerous times where it would be sold as a game pass in the shop for Robux.
    • Also Double Subverted with the Toxic Gunner, which was the reward for triumphing Trick Or Threat Town during the Halloween 2020 event. During the Solar Eclipse Event, it was available as a gamepass for a limited time from December 4th, 2021 to December 26, 2021.
    • Like the Toxic Gunner, this was Double Subverted with the Slasher, which was the reward for triumphing Nightmare Carnival during the Halloween 2019 Event. It would be available as a gamepass during the Halloween 2020 Event.
    • This was also double-subverted with the Archer, the reward for obtaining the Gift of Sharpness during Christmas 2019, as it would be available as a game pass during the Spring 2020 Event.
    • The other event towers (Commando, Sledger, Frost Blaster, Swarmer, and Executioner) have not yet been brought back as gamepasses.
  • There Is No Kill Like Overkill: Max level Ranger (300 Damage per shot) vs. Normal (4 HP). Guess which one wins.
  • True Final Boss: This is no longer available, but the Hidden Wave could only be reached when a team managed to speedrun Fallen Mode in under 1010 seconds, which translates to a maximum time of 16 minutes and 49 seconds.

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