-make trem a bit harder dretches 30hp and rifles 25 bullets dretches have no chance its unbalanced
You probably mean basic S1 combat (dretch vs naked rifle). It's not true that dretches have no chance. It depends on the scenery, first of all, there are map locations where dretches will have a huge advantage and some where the human will.
I also suspect you have trouble approaching riflemen without getting killed. You're probably doing it wrong, so here's some advice for using the dretch:
* Try not to approach from the front. If you must, don't approach the human, instead pass him quickly at a distance and return to bite from the side or back.
* Try not to approach from the ground unless you do it from the back. But generally, if the scenery permits, you should always use wallwalk on walls and ceiling. Granted, it takes a while to get the hang of wallwalk (months).
* Whenever you travel in sight of humans you MUST move sideways in respect to their point of view. This means you should NEVER go in a straight line at a human but instead strafe left-right if on the ground or, even better, go 3D and approach in a spiral using walls.
* Jumping should be used with care. For one thing, it emits a distinctive sound and any human player who has played for a while will react to it. The worst way of using it is to jump when near the human, you're jumping right into the weapon muzzle. It can be useful to accelerate your movement (for a split second extra advantage, or when you have to cross a map fast). It can be used for dropping from ceilings, if you prefer not to toggle wallwalk on and off all the time. But otherwise DO NOT overuse it because a jumping dretch has a well known landing spot and experienced humans will aim for that spot.
* You don't have to jump to use the dretch. The dretch range is roughly that of a human height. You can bite from the ground or from the ceiling.
* Don't be predictive in your movement. Trem is a strategy game. The players are smarter than the average bear. They see a pattern, they take advantage. Like, they see you heading for exit or for a target in a straight line, they will fire ahead of you. You hide to heal in the same spot every time, they will meet you there. Don't use the same trick twice.
* You don't absolutely HAVE to kill the human in one go. Often it's just as well if you sneak in even a single bite then run away. Human damage adds up and it's not easily replaced. Often another alien will finish him off later, or you can heal for a while and come back at him yourself. And the point is that you avoid giving humans a kill. This is an attrition tactic, especially useful when you deal with pulse+larmor+helmet or suits.
* As a dretch, avoid humans equipped with luci or flamer unless you're very good or they're very bad and/or ill-equipped (ie. luci but no armor at all).
* Learn to never stand still when in human range. Definitely don't do it when in combat.
-ive found out that some weapons shoot not at the middle of the screen,fix that
I've had some issues as well regarding alignment of the weapon model with the actual crosshair. But I got over it. I need to have the weapon drawn on screen mainly to know when I'm done reloading, and you need to see the flamer flames. But otherwise I like the weapon to take just a little space on the HUD and it doesn't have to be perfectly aligned. Besides, "perfect alignment" is a highly subjective matter.
-maybe a tutorial at the start like urban terror
There's a topic discussing this, some valid proposals have been made. It seems doable, but it needs people to actually do it.
-allow cg_zoomfov
There's a reason why the FOV is fixed: balanced gameplay. The FOV has been tuned for each alien class and human.
-more crosshairs like in urt and adjustable
Use a custom HUD, see the dedicated forum section. They usually offer crosshair customization.
