ledlogic: 12/2021

Is it possible there were civilizations on earth, before the currently known limits of history/pre-history?

Steven Ashley's article suggests some techniques to look for this. While I think he goes a bit further than necessary, considering other species could have had civilizations as well, the points about what mineral or carbon compounds to look for are probably real.

Year Founded	Year Abandoned	City	Culture	Map Link
10000 BCE	Present	Tell es-Sultan	Natufian	31°52′16″N 35°26′38″E
9500-9000 BCE	Present	Jericho		31°52′16″N 35°26′39″E
7100 BCE	5700 BCE	Çatalhöyük		37°40′00″N 32°49′41″E
6000 BCE	1200 BCE	Hattusa	Hittite	40°01′11″N 34°36′55″E
5400 BCE	600 BCE	Eridu	Mesopotamia	30°48′57″N 45°59′46″E
5000 BCE	3000 BCE	Chalcolithic Era
4000 BCE	700 CE	Uruk	Hittite	31°19′27″N 45°38′14″E
3800 BCE	500 BCE	Ur	Sumerian	30°57′42″N 46°06′18″E
3300 BCE	2100 BCE	Early Bronze Age
2100 BCE	1600 BCE	Middle Bronze Age
1894 BCE	1000 CE	Babylon
1600 BCE	1200 BCE	Late Bronze Age
1200 BCE	800 BCE	Last Bronze Age Collapse
1200 BCE	500 BCE	Iron Age

Official Site

Time	Title	Remaining
Friday 12:00	Hostile RPG: The one where Joey goes to Blargon VII (GM) When Joey's theater performance took his character Vic up in the futuristic marquee ladder to search for alternative fuels on Blargon VII, noone - the writers, actors, not even Gunther's god-cat, could have predicted that the DoD SDA would recruit his "friends" for space exploration on the spot. Space has a grittier side, but there's still perks, like good coffee in the ship's lounge. Will you discover how many layers there can be to negotiating a space fuel deal, like a good seven-layer trifle? This game uses the Hostile setting for the 2d6 Cepheus Engine RPG.	6/6
Friday 16:00	Star Fleet Battles: Mirimar III Station (GM) Do you feel the need, the need for moving 31 hexes per turn? Is it possible to fly inverted, in, in the same 10Mm hex in two-dimensional space combat? Answer: no. We will be visiting Module J, Fighters!, to see who's worthy of coming back as a Mirimar III Station flight instructor. All the governments are sending their top pilots. Hope you're navigator is not allergic to Kzin dander. Mav, do not buzz the tower.	4/5
Friday 18:00	Those Dark Places RPG: Hollowed Monastery (GM) After the monks of the dark matter carved their monastery from the interior of a mesosiderite asteroid, they found a new subject for their prayers: their survival. Time for the STAR pan-system marine force (you) to clean up the mess and eradicate any and all threats to humanity.	4/5
Friday 22:00	Mayday: Grand Prix (GM) Mayday is the series 120bGDW Traveller ship combat game. The Grand Prix scenario demonstrates some of the movement and potentially combat rules for the system.	2/5
Saturday 08:00	Rurik: Dawn of Kiev Boardgame (GM) Euro-style realm building game set in an 11th century Eastern European kingdom. Area control, resource management, and auction programming. Rules will be taught. Meeples, monasteries, and miniatures!	0/3
Saturday 10:00	Harry Potter Battle of Hogwarts The forces of evil are threatening to overrun Hogwarts in this cooperative deck building game, and it’s up to four students to ensure the safety of the school by defeating villains and consolidating their defenses. In the game, players take on the role of a Hogwarts student: Harry, Ron, Hermione, or Neville, each with their own personal deck of cards that’s used to acquire resources. By gaining influence, players add more cards to their deck in the form of iconic characters, spells, and magical items. Other cards allow them to regain health or fight against villains, keeping them from gaining power. The villains set back players with their attacks and Dark Arts. Only by working together will players be able to defeat all the villains, securing the castle from the forces of evil.	0/4
Saturday 12:00	Star Saga (GM) Mercenaries are controlled alternately and move around a grid-based sci-fi dungeon complete with computer terminals, narrow corridors and storage lockers to search for new equipment, which can then be used to upgrade the characters' abilities. Combat features an opposed dice roll between the Nexus Player and the Mercenaries using custom dice. The game features a number of different story-led scenarios detailing the exploits of the mercenaries as they venture deeper into the dungeon.	0/4
Saturday 14:00	Aliens: Ultimate Bard Donkeys (GM) Aliens: Ultimate Bard Donkeys provides new options for fighting the xenomorph menace, adding even more badass characters to the "Aliens: Another Glorious Day In The Corps!" co-operative survival game. These reinforcements will help your fire team progress through the campaign missions, or provide options for the bug hunts. As your heroes investigate the threat on LV-426, they gain experience and hone their skills. Choose experience cards to compliment your character's abilities, or build a well-rounded character to tackle any test. The choice is yours, if you can make it to the extraction point alive...	0/5
Saturday 16:00	Blakes 7: Veron's Debt (GM) Blakes 7: Veron has a debt to pay, and she's looking for assistance from the crew of the Liberator	2/6
Saturday 20:00	Mothership: Chromatic Transference The top secret Ukweli-4 research facility was built to study a strange meteorite, inside of which is a color never before seen by human eyes. Due to an accident, the original researchers have long since died, leaving the facility an empty tomb? A tomb for your characters to explore!	?
Sunday 08:00	SFS: Starfinder Society Quests - Learn to Play! Want to try out Starfinder (aka Pathfinder in SPACE)? Look no further than the Starfinder Society Quests! Play a series of short adventures over the course of two hours; continue your quest with another session over the weekend, or try a new one with your Starfinder Society character.	?
Sunday 10:00	Fate of the Norns RPG: Star Strangers (GM) "This is the day that was prophesized. They will come from the sky to destroy us. They will burn the stars to light their way." -Blakes 7, Aftermath. "Play a Norse-like tribe on Sarran, the day when the star people fell the ground. Can you stop the star people invasion and defend your Fjord? "Pregens and runes provided. Viking helmets optional but will be respected.	0/4
Sunday 14:00	Teens in Space: Peril in the Shell (GM) You're juniors at the space academy. To fulfill the class project for Space History (or Botany, depending on which class you need to boost your grade in), your teacher decides to explore a derelict spaceship. It should have a lot of history seeing it's from the Herbacean-Human war era. Or could contain the seed of your demise? This game will run for 3 hours and conclude at 5pm.	0/5