·8 min read

Tower defense games for PC: upgrades, traps, or gems?

Start with Bloons TD 6 for tower upgrades, Dungeon Warfare for traps and terrain, or GemCraft - Frostborn Wrath for gem builds and replay progression.

Bloons TD 6 artwork

Starting point

Bloons TD 6

Start from Bloons TD 6, then pick by the part of the game you want back.

Start with Bloons TD 6 if you want tower defense games for PC where choosing and upgrading a defense is the main attraction. Its Monkey Towers have three upgrade paths each, so there is a clear question to build a session around: which version of this tower belongs in your defense? The buyer catch is real-money in-game items, alongside progression and meta-upgrades.

Choose Dungeon Warfare first if a corridor lined with traps sounds more appealing than another tower upgrade. Choose GemCraft - Frostborn Wrath if you want to combine gems and carry skill progression into tougher replays. Those are different reasons to keep defending a route; a long list of games with a tower-defense tag will not settle the choice for you.

Tower upgrade choices

Bloons TD 6

Traps and terrain

Dungeon Warfare

Gem builds and replays

GemCraft - Frostborn Wrath

Choose tower defense games for PC by what you want to build

If your evening should revolve around assembling a defense against incoming waves, use Bloons TD 6 as the starting point. Move to Dungeon Warfare when the place you set a trap matters more to you than the identity of a tower. Move to GemCraft when you want the properties of your weapons, and the progression around them, to become a larger project. Each choice trades away some of the others' emphasis.

The decision you want to makeOpen firstThe cost to accept
Which upgrade path should this tower take?Bloons TD 6Meta-upgrades and real-money items are part of the package.
How can this corridor or drop help kill invaders?Dungeon WarfareThe appeal centers on trap placement and dungeon terrain.
Which gem properties should I combine, then develop further?GemCraft - Frostborn WrathSkills, replay traits and endurance add progression to manage.

For these tower defense strategy games, the useful comparison is the decision you want to repeat. A higher tower count cannot tell you whether you would rather improve one weapon, exploit a dungeon passage, or return to a battlefield with a stronger build.

Bloons TD 6 for tower upgrade choices

Bloons TD 6 is the first pick when you want your attention on the defense's lineup and upgrade choices. The three upgrade paths give you a reason to care about what a tower becomes, rather than treating each new placement as another identical gun. That is a more direct match for this reader than starting with GemCraft's gem, skill and replay systems, but Bloons still has its own progression layer.

Bloons TD 6

Recommendation

Best for
Choosing tower roles and upgrade paths against incoming Bloons.
Why it fits
Monkey Towers have three upgrade paths, alongside Heroes and activated abilities.
Skip if
Real-money in-game items are a dealbreaker, or you mainly want to weaponize dungeon terrain.

The official Steam description lists Monkey Knowledge meta-upgrades as well as real-money purchases. Treat that as a concrete purchase decision: if you want a game without purchasable in-game items, this is the reason to pass on our default. The recommendation is about its tower-building focus, not a promise that buying the game removes every additional purchase option.

Monkey towers fire into Bloons following a curved route around a rocky island in Bloons TD 6.
The route, surrounding towers and tower-selection panel put the defense itself at the center of the screen.

If you are looking for co-op tower defense games, Bloons is also the supported branch here: its official listing says up to four players can play every map and mode in public or private games. That can settle the choice before you compare progression systems. This three-game guide does not promise the same multiplayer setup for Dungeon Warfare or GemCraft.

Dungeon Warfare when terrain and traps matter

Pick the original Dungeon Warfare when you want the dungeon to participate in your defense. Its official examples include rerouting invaders onto a minecart track and throwing them into an abyss. Those examples explain the attraction better than a trap count: you are looking at a passage and asking how to make it dangerous. You give up Bloons' focus on a colorful tower lineup for a more terrain-led choice.

Dungeon Warfare

Recommendation

Best for
Using traps, corridors and hazards to punish invading adventurers.
Why it fits
The dungeon terrain supports traps that throw enemies into drops and routes that exploit minecart tracks.
Skip if
You want to control an action hero, or gem crafting is the part you most want to explore.

There is still progression: the official description says experience from kills permanently upgrades your traps. Choosing this over GemCraft therefore does not mean avoiding persistent upgrades altogether. It means choosing what those upgrades serve: a dungeon full of traps rather than a collection of gems and skills.

Invaders crowd into narrow stone corridors lined with trap tiles and flame effects in Dungeon Warfare.
Narrow passages and rows of trap tiles make the dungeon layout a visible part of the defense.

This recommendation is for Dungeon Warfare, app 355980. Keep that title on your shortlist if the corridor-and-hazard idea sold you; the sequel is a separate purchase and is not the game being compared here.

GemCraft when the gems are your build

Choose GemCraft - Frostborn Wrath when combining the weapon is as appealing as choosing where it goes. You create and combine gems with different properties, then place them into buildings. That shifts the attraction from Bloons' tower upgrade branches toward constructing the gems themselves. The tradeoff is a wider progression system to invest in, so it is the wrong first pick if you want the smallest possible setup between waves.

Best for
Gem combinations that lead into skill growth and tougher battlefield replays.
Why it fits
Six gem types, unlockable skills and stackable battle traits give you several ways to develop a defense.
Skip if
Replaying fields for greater rewards sounds like a detour from building your next defense.

The official Steam listing explicitly connects leveling and skills to replaying fields with battle traits. It also describes Endurance runs that can be extended by earning wave stones. That makes replay progression a reason to choose the game, rather than a surprise to discover after buying it. If your favorite part is returning with a stronger build and raising the challenge, this is the branch to investigate first.

Purple gems sit in towers beside winding snowy paths as monsters advance, with a gem inventory on the right in GemCraft - Frostborn Wrath.
The gems appear both in the defense and in the inventory, showing the connection between crafting weapons and placing them.

Pause and fast-forward are listed features, but they do not turn this into an idle-growth recommendation. The appeal described here is making and revising a defense, then choosing how far to push it through replays.

The wrong default is every game with a base under attack

If you want to spend the session choosing a defense against waves, stay with the three picks above and start with Bloons. A game can contain towers and still ask you to spend most of your attention elsewhere. Following that broad tag can trade away the very activity you came for.

For factory supply and production chains, use our automation games for logistics players guide instead. That is the neighboring decision represented by Mindustry. For the incremental planning appeal of The Perfect Tower II, use active play versus idle progress. Neither is a substitute simply because towers or defense appear in the game.

The same distinction rules out choosing an empire-management RTS or turn-based squad battle merely because both reward planning. Here, the shared task is building a defense against an incoming wave. Decide whether you want upgrades, traps or gems before widening the search again.

Choose your next defense

If all three sound plausible, choose Bloons TD 6 first and accept its purchase caveat. Dungeon Warfare earns the first click when the terrain is what excites you; GemCraft earns it when you actively want gem construction and replay progression. You do not need to pick the biggest system to get the defense-building session you want.

I want to choose tower upgrades

Start here, provided real-money in-game items do not rule it out. Its official four-player co-op is another reason to choose it.

I want the dungeon to help kill invaders

Choose the original game for trap placement and environmental hazards.

I want to craft gems and keep developing the build

Choose it when skills and tougher replays are part of the attraction.

Still undecided? Open Bloons TD 6 first. If the idea of choosing tower upgrade paths is the session you wanted, you have your starting point.

Play queue

Play these next

See game details, similar picks, and store options.