Overheating
Overheating is a game mechanic found in the Reign of Giants and Shipwrecked DLCs, functioning as the counterpart to Freezing in Winter. Overheating happens during Summer or Dry Season. Overheating can also occur while the player is standing close to a fire source at maximum fuel, for a long period of time. When the player begins to take in too much heat (at 65°), the edge of the screen will begin to turn orange and become a hazy ring while a warning sound plays (much like freezing leaves ice on the edges of the screen and crackles). At 70° an orange haze will appear around the player's screen, and a sizzling sound will play, much like the crackling sound when Freezing occurs. The character will make a quote (eg. "Hot as heck!") and the screen will gain a reddish ring within the orange haze. The player will then begin to take damage. The only way to stop this is by cooling off, such as being near a sufficiently cold source.
Survival
Overheating can be battled in two ways, by reducing the player's temperature, and by preventing player's temperature from rising rapidly. Surviving Summer or Dry Season will depend on a combination of these.
Cooling Down
There are several ways to cool oneself down:
- An Endothermic Fire or Endothermic Fire Pit or Polar Light is a stationary light source that works like a fire, but they cool the player instead.
- A Chilled Amulet, Ice Cube, and Fashion Melon will lower temperature when worn. Note that these have different cooling values. The Ice Cube and Fashion Melon will also cause Wetness while worn, so caution is advised.
- Using a Luxury Fan or Lucky Fan
will lower the player's temperature instantly. Luxury Fan has 15 uses while Lucky Fan has 3 uses. However, it puts out fires, so be wary around light sources. - Equipping Whirly Fan will also lower the player's temperature, but only while the player is running.
- Eating one of the following food items will temporarily cool the player down by 1°/second for various amounts of time. Eating even stale or spoiled food can also cool the player down.
Watermelon: 5 seconds
Fruit Medley: 5 seconds
Ice: 7.5 seconds
Melonsicle: 10 seconds
Ice Cream: 15 seconds
Ceviche 
: 10 seconds
Banana Pop : 10 seconds
Jelly-O Pop : 10 seconds
- Wetness will decrease gained temperature up to 30 at the cost of Sanity and negative effects on items.
- Sleep during the day in a Siesta Lean-to to cool down and skip to dusk, thus preventing further overheating.
- A Thermal Stone can be brought near an Endothermic Fire or Endothermic Fire Pit to cool it or placed in a stationary Ice Box or a mobile Snow Chester to freeze it. It will cool the player down as long as it's in stage 1 or stage 2.
- The cheapest way to cool down, is to run around a tree holding a Whirly Fan.
| Cool Source | Temperature | Duration | Note |
|---|---|---|---|
 Endothermic Fire (level 1) Endothermic Fire Pit (level 1)
|
-10° | variable (affected by rain) | |
| Endothermic Fire (level 1)Endothermic Fire Pit (level 2)
|
-20° | variable (affected by Rain) | |
| Endothermic Fire (level 1)Endothermic Fire Pit (level 3)
|
-30° | variable (affected by Rain) | |
| Endothermic Fire (level 1)Endothermic Fire Pit (level 4)
|
-40° | variable (affected by Rain) | |
 Polar Light 
|
-100° | 3.5 days | +25  /minute
|
 Thermal Stone (stage 1)
|
-10° | 8 uses | when Thermal Stone is 30° lower than environment |
 Thermal Stone (stage 2)
|
10° | 8 uses | when Thermal Stone is 10° lower than environment |
 Chilled Amulet
|
-20° | 6 minutes | +2 /minute
|
 Ice Cube
|
40° | 8 days | -10% speed, increase 1  /second (up to 50).
|
 Fashion Melon
|
55° | 3 days | -2 /minute, increase 0.5 /second (up to 33).
|
 Whirly Fan
|
55° | 90 seconds | only works while the player is running |
 Luxury Fan
|
-50° per use (up to 2.5°) | 15 uses | put out fires |
 Lucky Fan
|
-50° per use (up to 2.5°) | 3 uses | spawn tornado |
Delaying Overheating
There are several ways to delay overheating:
- Retreating to the Caves will slow down the rate at which heat is gained.
- Players can stay under a Tree to delay overheating. Near the beginning and end of Summer this will be enough to prevent overheating damage. However, during the middle of Summer, Trees alone won't provide enough protection to prevent overheating.
- The following items, when equipped, provide various levels of resistance to overheating. Some of these items, like the Eyebrella or Floral Shirt, can prevent Overheating for the entire day on their own, if the player is fully cooled each night.
| Item | Insulation | Slot |
|---|---|---|
 Straw Hat
|
60 | Head |
| Fashion Melon
|
120 | Head |
 Pretty Parasol
|
120 | Hand |
 Summer Frest
|
120 | Chest |
 Umbrella
|
120 | Hand |
 Eyebrella
|
240 | Head |
 Floral Shirt
|
240 | Chest |
| Ice Cube
|
240 | Head |
| Whirly Fan
|
60 | Hand |
 Werebeaver
|
240 | Face |
 Blue Funcap
|
60 | Head |
 Green Funcap
|
60 | Head |
 Red Funcap
|
60 | Head |
 Tropical Parasol 
|
120 | Hand |
 Dumbrella
|
240 | Head |
Trivia
- Heat exhaustion is when the body collects more heat than it dissipates, symptoms include heavy breathing, sweating, and fast, weak pulses.
- Additionally, heat exhaustion can lead to the more severe heat stroke, which can lead to disorientation and lack of sweating, and, eventually, can result in organ failure, unconsciousness and death.
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