Ideas:Requirements:Will be possible to playing on netbooks, tablets (powerful) and old (but not very) computers;
Player:able to lie on the ground;
when looking down when he sees his feet;
screen - oval instead of a rectangle, blurring the edges;
ability to pump player (increase the level of the player);
damage by falling;
pushing from blast, and can fell to the ground;
can soot off or cut any part of the player; the tank roll-crush palyer in a wet spot; organs within the human bodies, possible get it and play with them;
many explosions rip apart player;
machine can knock player and break his bones;
a player is bleeding;
Cars:In the game will be a variety of vehicle, with additional weapons (tank) and without (parachute, skis, motorcycle without a sidecar);
possible use a real military equipment (maybe);
land, air and marine equipment;
deformation models: dents in collisions, bullet holes, explosions -> tears... in the metal, cracked and destruction glass, scratches on the paint, dirt, sand, dust, blood, body parts, tear rubber wheels, bent axles,...;
Environment:realistic world, and physics;
destruction of the world;
Textures:realistic different multivariate textures: stone, bricks, glass, wood, asphalt, sand, grass, metal ...
Models:possible use a real weapons and real uniforms (maybe);
Sounds:real sounds of nature, noise, weapons, vehicles;
Music:Fast heavy rhythms;
Music should excite, stimulate, provoke;
System of buying:The ability to buy and sell weapons, ammunition, items, armors and vehicles;
Weapons:necessarily: cold arms, pistols, sub-machine gun, assault rifles, light, meddle and heavy machine guns, shotguns, carbines, sniper rifles, mortar, grenade launcher, anti-personnel and anti-tank grenades, anti-personnel and anti-tank mines, various explosives (c-4)...;
maybe: flamethrower; automatic grenade launcher; automatic gun-mortar; modern "Gatling guns"; punch (fist) and kick;
doubt: laser guns (naval), railgun (too big), electromagnetic pulse cannon, battle microwave emitter, [radioactive, chemical and biological contamination], plasma torch (is not a weapon), electric water cannon (water jet with electricity), "Raygun
http://en.wikipedia.org/wiki/Raygun, Energy weapons
https://en.wikipedia.org/wiki/Category:Energy_weapons;
definitely not: Any fictitious or theoretical weapons;
Armor:different bulletproof vests, armored helmets, shields,...;
Items:laser aimers, silencers, bipod, devices for night vision, under-barrel shotgun, under-barrel grenade launcher, thermographic camera, different scanners, GPS, radar, spyglass, binoculars;
Animals:In the game will be a variety of animals: dogs, cats, birds, mice, snakes, wild boars, elks, bears, elephants...
Some can attack the player.