Overheated (Expert Challenge)

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Overheated is the third mission of the first episode in Prismata. Complete all the missions of the episode to unlock the expert mission challenges. This mission consists of three basic defensive survival puzzles, where you have to defend only until the Overheat Ray takes out your opponent's units, after which a new challenge starts. Below are hints and the solution for each.

+ Show general tips 
The best immediate absorb is not always the best (see Defensive strategies) when a few turns are considered. Generally, it is important to figure out which optimal outcome you will have in the next turn too: In the shoes of your opponent, what is the defence that would be terrible to go against? In this mission you can sacrifice drones to that end.
Defending with a wall is more cost-efficient than using engineers (5 gold for 3 +absorb instead of 6 gold for 3 health). Every now and again engineers might be a better buy to keep absorbing damage in upcoming turns and spend all the money available: Set yourself up with an odd numbered gold income for alternating amounts of buyable engineers for turns with an even numbered gold bank.
The puzzles are set up in ways that often make the unintuitive play the correct one.

Victory window message
Phase 3 of this challenge has two different solutions (spoiler removed, see starting turn for challenge 3)

Challenge 1[edit | edit source]

Info: To assign attack/defence automatically press the Q key. Marked here with (q)

+ Show hint 
Turn 1: defend without losing an engineer
+ Show solution 
Turn 1: Click all drones (q) Build W, defend without losing the engineer (keeping two energy matrices alive).
Turn 2: Click all drones (q) WW
Turn 3: W and sacrifice most drones
Turn 4: win

Challenge 2[edit | edit source]

+ Show hint 
You cannot build engineers to optimally absorb in this puzzle. Use drones for that purpose.
On the last turns you have to sacrifice a lot to keep the Overheat Ray alive.
+ Show starting turn 
Turn 5: Build D W
+ Show winning build 
Turn 5: D W
Turn 6: WW
Turn 7: WW
Turn 8: WW
Turn 9: defend on drones

Challenge 3[edit | edit source]

Not having Blastforges available and not having to live/fight after the Ray shoots simplifies how to assess efficiency and calculate income and costs. Here you can build both Drones and Engineers. They are equally efficient as defenders as soon as the Drone gets clicked once before blocking (net cost of 2; note the difference between start of turn and click). So you need a drone alive for more than 1 turn (that's more than 2 from the point you paid for it) to more than break-even.

+ Show general hint 
As walls are the most efficient blocker you have (same Health in Engineers costs you 6gold plus build time), you will want to use the most of your Behemium.
+ Show hint 
Towards the end you will deal with 13 and 14 damage. If you are set up to optimally absorb these waves you will succeed.
+ Show broad hint! 
Don't drone up more than to 14. (for the solution described here)
+ Show starting turn (turn starts with defence) 
Turn 11: Build DD (another solution, as per victory screen message, starts with DDE)

+ Show winning build 
Turn 11: DD
Turn 12: DD WW
Turn 13 to 15: EE WW
Turn 16: WW
Turn 17: do nothing
Turn 18: use the Overheat Ray!