This is an idea I've been having for a while:

A team-based multiplayer game. I've imagined it as fantasy themed.

During the first phase of the game, each team (among two, or perhaps more) is assigned a section of a randomly generated map. The players are tasked with building a fortification and buying equipment/upgrades with a set amount of resources and in a limited time (say, a few minutes). During this phase, the interface is similar to that of a RTS.

Once this is done, each player takes control of a character as they set upon their opponent's base. A team can win by either capturing/destroying a critical part of the enemy's base or depleting their spawn points by killing the enemy players enough times. During this phase, the game plays more like a FPS/TPS/Hack 'n' slash or the like.

Probably very hard to attract players with this, but hey, this is the hopeless idea thread after all...

very cool with the infiltrating the enemy base idea! but mixing too many genres will probably make a project quite cumbersome to work on

if the world still exists by then...

I believe Zombie Horror/Survival is really about the human interaction. After the initial panic, survivor groups form. Some make it. Some don't. The usual suspects are treachery, raids, theft, murder, panic, and greed. People get scarred and go into a selfish survival mode. The ones that can organize, build community and protection, create safety with numbers. Personally, after about 3 - 4 sessions of "oh my god, the dead people", you need a solid caste of survivors for the characters to interact with. These people should really be driving the issues the PCs have to deal with. The Father learns from a survivor that his daughter is held captive at another survival camp 20 miles to the south of town. The Leader's trusted adviser falls ill from an infection. The camp is fresh out of meds. The Widower who recently found love with another survivor is reunited with his thought-to-be-dead wife. The camp awakes one morning to find all the food missing. So is the couple that arrived only a week earlier. The PCs awake in the middle of night to screaming. One of the younger survivors was hiding a bite and turned; attacking her surviving family members. People will make horrible dumb decisions. And the PCs will have to deal with them. Also, consider checking out a little game called Apocalypse World. Not my favorite system, but there is some SUPERB advice in there for running any apocalyptic game.

MyDataProvider

You could make an Annelids game pretty easily in Unity using the Pixel Surface asset.

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A wolf game variant in which no one knows their roles. They try to figure it out.

Voluntary killing is optional; Players stay at a hotel for N days

daytime: players vote who to give the gun (with limited bullet) at the start of each day, gun holder can kill anyone or not

nighttime: players can choose to go to other players' rooms, or the main room or they can stay at their rooms

If a wolf enters a room with humans during the night, humans die

If one of the humans is a gunholder, the wolf dies (if there are bullets) but if there is another wolf gun holder also dies

Objective is the survive and figure out your and other players identity. It is more of an experiment than a game.

(because for example everyone can choose to stay at their room and survive indefinitely)

not really sure I understand that concept but I love wolves, they are so cute

I'm not sure what the motivation for those robots to rescurrect humanity would be?

Robots War, and especially the bit about hacking and reprogramming, makes me think maybe it should include a MiniScript programming component (http://miniscript.org). The MiniScript engine is free and easy to embed in C# or C/C++ code.

Yeah, exactly! Sounds like fun to me. :)

first humanity creates robots, then the robots rescurrent the humans, a never ending cycle :D

What could a theme song for the annelids game sound like?

Also, this is the most fun OGA thread lol, why not keep it alive for some more

Annelida using the cute colourful worms would be awesome. I imagine a bright game world and maybe cuter weapons also to match.

1. A rainbow that shoots out over a certain distance like in rainbow islands.

2. "sun" grenades.

3. Star rockets that shoot straight.

4. You can aim for a cloud that is moving back and forwards. When hit it rains on / lightning bolts multiple worms.

@spring. The music would be bubble bobble style :)

awww I love the bubble bobble theme! It will be hard to write a song as catchy as that....

+1 for the mushroom dance it's a good fit. A fun bit at the start with an interlude of sorts for when the worms are thinking about the next move.

Wait...who's hosting the jam? Withthelove or XomAdept? Winter jam, fall jam? I was under the impresion that withthelove was holding an art challenge then the fall jam like last year, I see Xom Adept has put together the art challenge so are you now running the fall jam? as a winter jam? I'm a little confused.  I'm worried here guys that there are going to be 2 jams running at the same time, unless you have spoken to each other privately and made arrangements. :)

i thought the art challenge would lead into making games based on the ideas. So that would be the theme for the fall jam? That might keep participants more focused on the 'ideas' if they run in succession IMO.

This Annelids idea has really caught my imagination.  I'll step up and volunteer to do the programming for this game, if I can find enough other people to do the hard work:

• Game Designer (figures out the gameplay, rules, level design; responsible for fun)
• Art Director (finds/makes all artwork; responsible for making it gorgeous)
• Sound Director (finds/makes all sound fx and music)

I would use the same tech I used for Dr. Yond's Zombie Experiment, and probably put it up on itch.io as well.  It would be a free game (if players want to donate, maybe we just tell 'em to donate to OGA).

Should we spin this off into a new thread, so we don't pollute this one?

@joe strout I would volunteer for the art and sound roles for that, I'm looking to bring annelids to life as well :3

I could help out with the Sfx. I have a ton of ideas :) I can propose a game design. Others should too then we pick out the best ideas that work ;)

collabs are more of a challenge than you may think....

Thanks for the interest and comments, guys!  Let's not take over this thread, which is serving a great purpose as a general game-idea-brainstorming thread.  I've created a new thread just about Annelids here.

Trying for something a little different:

Cliff Dweller RPG -- you live on a world shaped like a huge disk. The surface has become nearly uninhabitable due to a long and devastating war between magic and technology. The survivors have been forced to live in vertical cities dug into the edges of the disk. These city dwellers grow food in ledge farms, and collect water pouring off the disk edges. Over many years, roads have been dug out of the cliff face, linking the cities together. The people have begun to prosper again.

A massive complex of tunnels has been excavated deep into the disk sides, bringing forth minerals and coal deposits, which are used to power a steam technology. However, it now appears that some of these tunnels have probed too far into the unknown. A mysterious horror has begun to spread through the passages, turning some people into strange monstrosities, and driving others mad or sickly. Is this somehow related to the great war that was waged up above? Only the most daring adventurers willing to risk all can stop this evil tide.

@bobjh wow that's a gripping intro. I really like the sound of the world you created. Brilliant.

I'm planning to make a game with a totally new world, new animals, new plants. But i need some help. I don't know what codding language i'll use... I want to make this 2D and with retro graphics. Maybe i'll have to build my own engine, so i need a LOT of help. If someone here have made a engine, tell me, please!!

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@WorldLover: it sounds like you're ambitious. Have you tried a game-building engine like RPG Maker? That tool would give you an introduction to 2D game building and let you know what type of effort it would require.

This is my situation: I don't have a lot of space on my computer and i don't want to download any program. I can do everything from zero, but with some help?

But if you could tell me some online engine-site, i wuold like to try it.

@WorldLover: bobjh has pointed you to a good starting game engine: RPG Maker (free trial version available).

If you don't have enough space on your computer to download RPG Maker or Godot, you aren't going to have enough space to do "everything from zero" either; prepackaged game engines are pretty compact. Doing your own won't be. If a game is a 10MB download, the developer probably used at least 50MB of hard disk space making it. 

You could also take a look at free cloud storage. That will typically give you about 2-5 Gb. I use DropBox, for example, to share models with project collaborators and gamers. If you're willing to learn Git, you could try using GitHub for code collaboration and other uses.

Wow... but i have just, from 232 GB, i have just 2,78 GB. can i make a engine?

AND... i live with my family, this is not exactly MY computer... all my family use it, so it's a lot of images and some other things occupying space...

I replied to you in the other thread also but the online programming website scratch would be the place to start  while you clean out your computer or ideally save up for your own. External Hdds are quite cheap....

I replied to you in th other thrad also but i know scratch, my account is "qfacil" and i have made a FNAF fan game, the ONAB (One Night At Bendy's). Almost no ones played it, but... you could go check it out, it takes a lot of work.

my entry submitted. :)

https://opengameart.org/content/sci-fi-brawler-character

Thank you for the reminder Xom Adept. I added the necessary tags to my mummies submission for the challenge.

Another entry: Observers

I HAVE AN IDEA! Sorry if someone already had this idea, but... what about a retro style animal survival game? You choose an animal, and if someone make this game, the 1.0 Version could be this: You start as a fox, and have to find food, a place to sleep and hide from bigger animals and humans, and if you want, make a family. Then you just survive.

1.5 Version: You can choose what animal you'll control, and you can find humans making picnics in the forest (rarely). There's hunters in the forest, and if they see you, thy shoot. But some humans, like children or some adults will not kill you, depending of the animal you are.

2.0 Version: You can be a terrestrial, aquatic or flying animal.

2.5 Version: The "Little World" Version. It's like a great expansion of the game's world, in wich you can control insects, like ants, grasshoppers, spiders and termites. And in the menu you have a "Random" button, that give you the control of a random animal in the forest.

I don't thinks someone will make this game, but in the future maybe i'll try to make something like this.

@worldlover that's a really good idea. Love it :) There could be a few elements to it. A stealth aspect. Crafting, shelter building. Fights. escorting Cubs. So much potential .......

It's good ideas, but to build shelters, craft things, you'll have to control a human. HEY! I had another idea!! You'll have to craft, build, and this things you said but you'll be a indian! You'll live with your tribe, surviving in the forest with other indigenous. Wow!

This is the 3.0.0 Version, the Indian Expansion. Now, when you control a animal like a boar or a bear, you'll have to beware with the Indians, because they can hunt you. So you have to stay everytime looking around. There can be an enemy...

And what could be the name of the game, anyone has an idea? Something related to the forest and/or the animals...

That's cool. That gave me an idea. A tribe of Indians that can each transform into their spirit animal to achieve different tasks/missions for survival.....